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2010 GM23 - approaching
Approximate diameter 40 meters (H=24.663)
Closest Earth approach 3.87 LD at 2259 UT on 13 April 2013 - Note: JPL reports an approach uncertainty of +/- 2.260 days
Inside Earth's Hill sphere 13 to 14 April 2013
Inside ten LD of Earth 10 to 17 April 2013
Data based on JPL SSD orbit solution #7 downloaded from JPL on 4 April 2013 UTC (dated 14 Sept. 2011 local) based on 54 observations spanning 5 days
Optical observation none recent
Links JPL Small-Body Database NEODyS Close Approaches
Object Risk Monitor When Noted UTC 0000T0000 Year Range VI # 000NN00 Prob Cum T0000 PS Cum T0000 PS Max T S Notes for Today's Latest Risk Assessments 2013 GM3 JPL Sentry 1700 2026-2113 619 2.8e-03 -2.60 -2.60 0 JPL #2 for the day: "Analysis based on 27 observations spanning 2.6253 days (2013-Apr-03.32112 to 2013-Apr-05.94644)." Diameter approximately 0.021 km. from mean, weighted H=26.0. NEODyS 1544 2026-2090 134 1.65e-04 -4.01 -4.1 0 NEODyS: "Based on 27 optical observations (of which 1 are rejected as outliers) from 2013-04-03.322 to 2013-04-05.947."
Originally posted by TrueAmerican
reply to post by wildespace
Oh darn- thought we had some real doom there for a second, but according to my calculations, in April 2026 that thing is still going to be well over 300,000 miles nominal distance from earth. They'll get a better clue once more observations are done over time. Too bad, I was ready to bring in my tomato plants, lock and load, and tell Intrepid what I really think of him. j/k.
Hey TA, not to nitpick... buuuuut....
92,955,807.267433 (1 AU) x .0000114246 (minimal approach in AU) = 1,061.9829157075 miles... let's just call it an even 1,062 miles on closest approach.