(kudos to Sam Deen and Bill Gray for figuring out that the suspected asteroid CE1M9G2 on the NEOCP was actually Chandrayaan-3)
December 30, 2025 at 1:59 AM
(kudos to Sam Deen and Bill Gray for figuring out that the suspected asteroid CE1M9G2 on the NEOCP was actually Chandrayaan-3)
For any asteroid observers who have not heard about it already:
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
July 2, 2025 at 12:47 AM
For any asteroid observers who have not heard about it already:
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
Newly-discovered #A11pl3Z is a candidate interstellar object.
cneos.jpl.nasa.gov/scout/#/obje...
New potential interstellar object in the South: 168 hr arc but e already 9+/-1. H=11.
Follow-up encouraged! 🔭
Follow-up encouraged! 🔭
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
July 2, 2025 at 3:32 AM
New potential interstellar object in the South: 168 hr arc but e already 9+/-1. H=11.
Follow-up encouraged! 🔭
Follow-up encouraged! 🔭
There was a flash in the sky three hours ago, somewhere between Australia, Indonesia, and Papua New Guinea.
If anyone saw #ST26E86 on the way in: cneos.jpl.nasa.gov/scout/#/obje...
If anyone saw #ST26E86 on the way in: cneos.jpl.nasa.gov/scout/#/obje...
May 15, 2026 at 4:28 PM
There was a flash in the sky three hours ago, somewhere between Australia, Indonesia, and Papua New Guinea.
If anyone saw #ST26E86 on the way in: cneos.jpl.nasa.gov/scout/#/obje...
If anyone saw #ST26E86 on the way in: cneos.jpl.nasa.gov/scout/#/obje...
Object P12hxMW on the PCCP, MBA-type orbit but showing a very clear tail at PA ~270. Possible impact event or spin up. Images from G96 2025 11 29UT. #cometwatch #comet #NEOCP 🔭
November 30, 2025 at 7:30 PM
Object P12hxMW on the PCCP, MBA-type orbit but showing a very clear tail at PA ~270. Possible impact event or spin up. Images from G96 2025 11 29UT. #cometwatch #comet #NEOCP 🔭
My new observations:
Interstellar comet 3I/ATLAS on Sep 18 at iTelescope.Net T72;
Moon, Venus and Regulus on Sep 19;
Potentially Hazardous Asteroid 2025 FA22 + confirmed NEOCP object P22eOKK on Sep 21 at the Liverpool Telescope.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour
Interstellar comet 3I/ATLAS on Sep 18 at iTelescope.Net T72;
Moon, Venus and Regulus on Sep 19;
Potentially Hazardous Asteroid 2025 FA22 + confirmed NEOCP object P22eOKK on Sep 21 at the Liverpool Telescope.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour
September 23, 2025 at 2:12 PM
My new observations:
Interstellar comet 3I/ATLAS on Sep 18 at iTelescope.Net T72;
Moon, Venus and Regulus on Sep 19;
Potentially Hazardous Asteroid 2025 FA22 + confirmed NEOCP object P22eOKK on Sep 21 at the Liverpool Telescope.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour
Interstellar comet 3I/ATLAS on Sep 18 at iTelescope.Net T72;
Moon, Venus and Regulus on Sep 19;
Potentially Hazardous Asteroid 2025 FA22 + confirmed NEOCP object P22eOKK on Sep 21 at the Liverpool Telescope.
@astrodave.bsky.social
@davidbflower.bsky.social
#PhotoHour #StormHour
#IMPACT UPCOMING: a small (1-2 meter) #asteroid discovered by Catalina will #harmlessly impact in the western Pacific today, nominally around 16:26 UTC (4 Sept). Object CAQTDL2 on the NEOCP. Will cause bright fireball and maybe some stones splashing into the ocean.
September 4, 2024 at 8:44 AM
#IMPACT UPCOMING: a small (1-2 meter) #asteroid discovered by Catalina will #harmlessly impact in the western Pacific today, nominally around 16:26 UTC (4 Sept). Object CAQTDL2 on the NEOCP. Will cause bright fireball and maybe some stones splashing into the ocean.
For asteroid astronomers:
A new small potential impactor, #C43XT81, was just announced - cneos.jpl.nasa.gov/scout/#/obje...
If it impacts, that will be in 3.5 - 4.5 hours from this writing.
I assume that follow-up is already happening?
A new small potential impactor, #C43XT81, was just announced - cneos.jpl.nasa.gov/scout/#/obje...
If it impacts, that will be in 3.5 - 4.5 hours from this writing.
I assume that follow-up is already happening?
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
nam11.safelinks.protection.outlook.com
December 1, 2024 at 6:21 AM
For asteroid astronomers:
A new small potential impactor, #C43XT81, was just announced - cneos.jpl.nasa.gov/scout/#/obje...
If it impacts, that will be in 3.5 - 4.5 hours from this writing.
I assume that follow-up is already happening?
A new small potential impactor, #C43XT81, was just announced - cneos.jpl.nasa.gov/scout/#/obje...
If it impacts, that will be in 3.5 - 4.5 hours from this writing.
I assume that follow-up is already happening?
The newly discovered asteroid CERNQ52 will flash harmlessly in the sky over the ocean between Java and Western Australia, in just under 3 hours from this writing: cneos.jpl.nasa.gov/scout/#/obje...
September 6, 2026 at 1:16 PM
The newly discovered asteroid CERNQ52 will flash harmlessly in the sky over the ocean between Java and Western Australia, in just under 3 hours from this writing: cneos.jpl.nasa.gov/scout/#/obje...
先月末に発見されたばかりの小天体A11pl3Z(仮称)ですが、現状まだ約180時間分の観測しかなされておらず不定性が大きいものの、離心率がおよそ6-14(!!!)というとんでもない双曲線軌道を持っていることが推定され、今後の追観測によって史上３例目の恒星間天体となる可能性がじゅうぶんにあります。
cneos.jpl.nasa.gov/scout/#/obje...
cneos.jpl.nasa.gov/scout/#/obje...
July 2, 2025 at 3:48 AM
先月末に発見されたばかりの小天体A11pl3Z(仮称)ですが、現状まだ約180時間分の観測しかなされておらず不定性が大きいものの、離心率がおよそ6-14(!!!)というとんでもない双曲線軌道を持っていることが推定され、今後の追観測によって史上３例目の恒星間天体となる可能性がじゅうぶんにあります。
cneos.jpl.nasa.gov/scout/#/obje...
cneos.jpl.nasa.gov/scout/#/obje...
Very fast NEOCP object discovered by our MAPS survey in Chile and confirmed a few hours later by me from France :-)
The asteroid of 4-11 m approached Earth at 0.22 lunar distance (84000 km).
🔭
The asteroid of 4-11 m approached Earth at 0.22 lunar distance (84000 km).
🔭
April 2, 2025 at 2:01 PM
Very fast NEOCP object discovered by our MAPS survey in Chile and confirmed a few hours later by me from France :-)
The asteroid of 4-11 m approached Earth at 0.22 lunar distance (84000 km).
🔭
The asteroid of 4-11 m approached Earth at 0.22 lunar distance (84000 km).
🔭
One minor critique, which is seen clearly in the NEOCP log. The first precovery observations that showed an interstellar orbit were submitted by Quanzhi Ye from the Zwicky Transient Facility (I41). Not S. Deen.
minorplanetcenter.net/cgi-bin/cgip...
minorplanetcenter.net/cgi-bin/cgip...
July 4, 2025 at 8:15 PM
One minor critique, which is seen clearly in the NEOCP log. The first precovery observations that showed an interstellar orbit were submitted by Quanzhi Ye from the Zwicky Transient Facility (I41). Not S. Deen.
minorplanetcenter.net/cgi-bin/cgip...
minorplanetcenter.net/cgi-bin/cgip...
New impactor:
The small asteroid #C0WEPC5 will flash in the sky over eastern Siberia, near longitude 118.6º E and latitude 60.8º N, at 2024 December 3 16:22 UTC (two hours from this writing).
35 observations have been reported so far: cneos.jpl.nasa.gov/scout/#/obje... , groups.io/g/mpml/topic...
The small asteroid #C0WEPC5 will flash in the sky over eastern Siberia, near longitude 118.6º E and latitude 60.8º N, at 2024 December 3 16:22 UTC (two hours from this writing).
35 observations have been reported so far: cneos.jpl.nasa.gov/scout/#/obje... , groups.io/g/mpml/topic...
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
December 3, 2024 at 2:16 PM
New impactor:
The small asteroid #C0WEPC5 will flash in the sky over eastern Siberia, near longitude 118.6º E and latitude 60.8º N, at 2024 December 3 16:22 UTC (two hours from this writing).
35 observations have been reported so far: cneos.jpl.nasa.gov/scout/#/obje... , groups.io/g/mpml/topic...
The small asteroid #C0WEPC5 will flash in the sky over eastern Siberia, near longitude 118.6º E and latitude 60.8º N, at 2024 December 3 16:22 UTC (two hours from this writing).
35 observations have been reported so far: cneos.jpl.nasa.gov/scout/#/obje... , groups.io/g/mpml/topic...
It's now known as 2026 RW1. The name hints at the discovery date: R means the first half of September. There must be something about early September. 2 years ago, 2024 RW1 also hit Southeast Asia over Luzon. Good news: Mt. Lemmon is past its monsoon shutdown. The NEOCP should get livelier again.
September 6, 2026 at 10:34 PM
It's now known as 2026 RW1. The name hints at the discovery date: R means the first half of September. There must be something about early September. 2 years ago, 2024 RW1 also hit Southeast Asia over Luzon. Good news: Mt. Lemmon is past its monsoon shutdown. The NEOCP should get livelier again.
H = 31.7 , so C15KM95 is only a couple of meters wide: cneos.jpl.nasa.gov/scout/#/obje...
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
October 2, 2025 at 12:44 AM
H = 31.7 , so C15KM95 is only a couple of meters wide: cneos.jpl.nasa.gov/scout/#/obje...
Looks like lowercase L cneos.jpl.nasa.gov/scout/#/obje...
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
July 2, 2025 at 5:41 PM
Looks like lowercase L cneos.jpl.nasa.gov/scout/#/obje...
That's a work-in-progress that I'm writing. I want to know at any given time what asteroids can I see in my telescope. This program currently is capable of pulling in all asteroids, only neas, neocp objects (which are usually too dim for me), deep sky, Sun and Moon.
March 8, 2025 at 6:50 PM
That's a work-in-progress that I'm writing. I want to know at any given time what asteroids can I see in my telescope. This program currently is capable of pulling in all asteroids, only neas, neocp objects (which are usually too dim for me), deep sky, Sun and Moon.
Based on the tracking names of similar objects, I'm pretty sure that this is like a captcha letter/number sequence generator occasionally producing something that looks like a word. cneos.jpl.nasa.gov/scout/#/
Scout: NEOCP Hazard Assessment
NASA's Near-Earth Object (NEO) web-site. Data related to Earth impact risk, close-approaches, and much more.
cneos.jpl.nasa.gov
July 3, 2025 at 12:03 AM
Based on the tracking names of similar objects, I'm pretty sure that this is like a captcha letter/number sequence generator occasionally producing something that looks like a word. cneos.jpl.nasa.gov/scout/#/
The elements have changed a bit since that original NEOCP plot was generated. You can make a new plot anytime here. In the "MPC #" box type 3I, then click "FROM MPC". Can change the view and save images.
CSS Orbit View | NEOfixer | The University of Arizona
NEOfixer aims to help optimize the discovery and follow-up of Near-Earth Objects (NEOs) by providing observers with targeting recommendations, specific to their site.
neofixer.arizona.edu
July 3, 2025 at 8:09 PM
The elements have changed a bit since that original NEOCP plot was generated. You can make a new plot anytime here. In the "MPC #" box type 3I, then click "FROM MPC". Can change the view and save images.
📣 New Podcast! "907-Large and Close" on @Spreaker #alien #asteroid #astronomy #comet #earth #jupiter #mars #meteor #meteorite #meteoroid #moon #nasa #planet #satellite #space #spaceweather #sun #telescope #venus #weather
907-Large and Close
My Catalina Sky Survey teammate Josh Hogan was asteroid hunting in the constellation of Ursa Major with our small but mighty Schmidt telescope when he spotted a fast moving point of light in a set of his images and posted his observations on the Near Earth Object Confirmation Page or NEOCP for short. The NASA Sentry software system automatically scans the NEOCP and from the initial observations of Josh’s discovery predicted there was a tiny minuscule but non zero chance that it could impact our home planet in the next 100 years. Asteroid hunters were able to show that 2026 GB is not a threat only after they had accumulated enough data to accurately determine its orbit which demonstrates that planetary defense is by necessity an international effort.
www.spreaker.com
July 10, 2026 at 4:00 PM
📣 New Podcast! "907-Large and Close" on @Spreaker #alien #asteroid #astronomy #comet #earth #jupiter #mars #meteor #meteorite #meteoroid #moon #nasa #planet #satellite #space #spaceweather #sun #telescope #venus #weather
ATLAS (Asteroid Terrestrial-impact Last Alert System) has discovered a new NEOCP (Near-Earth Object Confirmation Page) candidate in four 30-second survey images taken on 01 July 2025. #3I/ATLAS #ATLAS #Comet #Interstellarobject #NASA #Solarsystem
www.scientificeuropean.co.uk/sciences/spa...
www.scientificeuropean.co.uk/sciences/spa...
July 3, 2025 at 4:45 PM
ATLAS (Asteroid Terrestrial-impact Last Alert System) has discovered a new NEOCP (Near-Earth Object Confirmation Page) candidate in four 30-second survey images taken on 01 July 2025. #3I/ATLAS #ATLAS #Comet #Interstellarobject #NASA #Solarsystem
www.scientificeuropean.co.uk/sciences/spa...
www.scientificeuropean.co.uk/sciences/spa...
the NEOCP that exceeds 80%, while limiting the loss of NEO discovery tracklets to 5.5%. Importantly, we show that most follow-up tracklets of initially misclassified NEOs are later correctly identified as NEOs. [8/8 of https://arxiv.org/abs/2505.11910v1]
May 20, 2025 at 6:09 AM
the NEOCP that exceeds 80%, while limiting the loss of NEO discovery tracklets to 5.5%. Importantly, we show that most follow-up tracklets of initially misclassified NEOs are later correctly identified as NEOs. [8/8 of https://arxiv.org/abs/2505.11910v1]
(ML) techniques, that is, the gradient-boosting machine (GBM), the random forest (RF) classifier, the stochastic gradient descent (SGD) classifier, and neural networks (NN) to classify NEOCP candidates as NEOs or non-NEOs. Based on digest2 parameters [6/8 of https://arxiv.org/abs/2505.11910v1]
May 20, 2025 at 6:09 AM
(ML) techniques, that is, the gradient-boosting machine (GBM), the random forest (RF) classifier, the stochastic gradient descent (SGD) classifier, and neural networks (NN) to classify NEOCP candidates as NEOs or non-NEOs. Based on digest2 parameters [6/8 of https://arxiv.org/abs/2505.11910v1]
analysis, we derived a filtering mechanism based on selected digest2 parameters that were able to exclude 20% of the non-NEOs from the NEOCP while maintaining a minimal loss of true NEOs. We also investigated the application of four machine-learning [5/8 of https://arxiv.org/abs/2505.11910v1]
May 20, 2025 at 6:09 AM
analysis, we derived a filtering mechanism based on selected digest2 parameters that were able to exclude 20% of the non-NEOs from the NEOCP while maintaining a minimal loss of true NEOs. We also investigated the application of four machine-learning [5/8 of https://arxiv.org/abs/2505.11910v1]