2009 AT

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7171986000
Semi-major axis (a)4.2533443000 AU
Inclination (i)11.96949000°
Long. of Asc. Node (Ω)306.28956000°
Arg. of Perihelion (ω)124.49158000°
Mean Anomaly (M)334.44155000°
Mean Motion (n)0.1123591000°/day
Perihelion dist (q)1.20285170 AU
Aphelion dist (Q)7.30383690 AU
Orbital Period8.77194320 yr
Physical Parameters
H (abs. magnitude)21.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.400″
Uncertainty4
Orbit TypeAmor
MOID0.277375 AU
Observations Used63
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-02-20
Observations (64)
Date Type RA Dec Mag Band Observatory
2009-01-21 05:26:31 C 07 01 41.79 +30 20 56.0 r 448
2009-01-21 06:11:29 C 07 01 43.22 +30 19 44.8 r 448
2009-01-22 02:21:19 C 07 02 29.00 +29 48 06.5 o H55
2009-01-22 02:40:28 C 07 02 29.61 +29 47 37.2 o H55
2009-01-22 02:53:26 C 07 02 30.04 +29 47 17.3 o H55
2009-01-29 02:05:16 C 07 08 41.21 +25 52 20.3 o H55
2009-01-29 02:10:52 C 07 08 41.35 +25 52 13.3 o H55
2009-01-29 02:16:21 C 07 08 41.48 +25 52 06.2 o H55
2009-02-20 01:47:14 C 07 30 16.02 +17 47 51.4 o H55
2009-02-20 02:03:00 C 07 30 16.68 +17 47 41.0 o H55
2009-02-20 02:20:02 C 07 30 17.38 +17 47 30.0 o H55
2009-02-20 05:42:21 C 07 30 26.22 +17 45 22.7 o 291
2009-02-20 05:53:08 C 07 30 26.61 +17 45 15.5 o 291
2009-02-20 06:06:33 C 07 30 27.21 +17 45 08.2 o 291