153953 (2002 AD9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8088642865 ± 3.80e-08
Semi-major axis (a)1.7733782655 AU ± 4.01e-09
Inclination (i)31.01072307° ± 8.63e-06
Long. of Asc. Node (Ω)2.56443854° ± 9.32e-06
Arg. of Perihelion (ω)9.80583853° ± 9.55e-06
Mean Anomaly (M)69.56566492° ± 5.56e-06
Mean Motion (n)0.4173594044°/day ± 1.41e-09
Perihelion dist (q)0.33895592 AU ± 6.74e-08
Aphelion dist (Q)3.20780061 AU ± 6.77e-08
Orbital Period2.36157679 yr ± 8.00e-09
Physical Parameters
H (abs. magnitude)16.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.314″
Uncertainty0
Orbit TypeApollo
MOID0.409470 AU
Observations Used300
Oppositions29
Arc Total1975-2025
First Observation Used1975-05-10
Last Observation Used2025-04-05
Observations (336)
Date Type RA Dec Mag Band Observatory
2002-02-21 08:58:18 C 12 14 39.10 +23 25 13.0 18.7 c 704
2002-02-21 09:31:11 C 12 14 34.87 +23 25 24.0 19.2 c 704
2002-02-21 09:56:31 C 12 14 31.61 +23 25 32.7 19.3 c 704
2002-02-21 10:23:26 C 12 14 28.13 +23 25 41.5 19.7 c 704
2002-03-06 10:45:59 C 11 35 15.74 +24 31 34.0 c 649
2002-03-06 10:51:53 C 11 35 15.04 +24 31 34.4 c 649
2002-03-06 10:57:50 C 11 35 14.34 +24 31 35.1 c 649
2002-03-20 07:37:15 C 10 59 47.897 +24 12 24.66 W 644
2002-03-20 08:07:23 C 10 59 45.113 +24 12 17.86 W 644
2002-03-20 08:36:27 C 10 59 42.430 +24 12 14.62 W 644
2002-04-02 20:55:48 C 10 36 07.66 +22 52 49.7 c 113
2002-04-02 21:00:18 C 10 36 07.41 +22 52 48.1 c 113
2002-04-02 21:04:41 C 10 36 07.16 +22 52 47.0 c 113
2006-04-24 14:50:30 C 16 56 36.74 -73 37 10.3 r E12
2006-04-24 15:12:24 C 16 56 36.78 -73 38 03.3 r E12
2006-04-24 15:34:22 C 16 56 36.74 -73 38 56.1 r E12
2007-03-10 06:40:37 C 12 13 50.28 +04 08 46.0 o 691
2007-03-10 07:06:03 C 12 13 48.44 +04 08 52.0 o 691
2007-03-10 07:36:26 C 12 13 46.31 +04 08 59.5 o 691
2007-03-16 04:48:49 C 12 03 51.59 +04 43 15.4 o 691
2007-03-16 05:14:18 C 12 03 49.76 +04 43 21.8 o 691
2007-03-16 05:39:48 C 12 03 47.94 +04 43 28.2 o 691
2007-03-20 04:34:26 C 11 57 09.64 +05 05 23.0 o 691
2007-03-20 04:59:57 C 11 57 07.83 +05 05 28.5 o 691
2007-03-20 05:25:28 C 11 57 06.06 +05 05 34.5 o 691
2008-05-30 07:10:35 C 11 55 16.97 -23 56 02.3 o F65
2008-05-30 07:18:46 C 11 55 16.69 -23 55 59.2 o F65
2008-05-30 07:26:26 C 11 55 16.45 -23 55 56.5 o F65
2009-01-02 12:37:22 C 15 34 59.08 +21 50 06.4 r 448
2009-01-02 12:40:55 C 15 34 58.68 +21 50 10.9 r 448
2009-01-02 12:44:30 C 15 34 58.25 +21 50 15.6 r 448
2009-01-02 12:48:04 C 15 34 57.86 +21 50 20.6 r 448
2009-01-02 12:51:37 C 15 34 57.44 +21 50 25.0 r 448
2009-01-16 10:40:00 C 14 55 09.71 +28 52 13.2 17.0 c 704
2009-01-16 10:57:51 C 14 55 07.31 +28 52 36.0 17.4 c 704
2009-01-16 11:15:29 C 14 55 04.87 +28 52 58.9 17.6 c 704
2009-01-16 11:33:07 C 14 55 02.47 +28 53 21.3 18.2 c 704
2009-01-16 11:50:41 C 14 55 00.08 +28 53 43.3 18.4 c 704
2009-01-30 10:31:50 C 14 00 38.30 +35 42 35.0 r 703
2009-01-30 11:03:54 C 14 00 31.96 +35 43 11.2 r 703
2009-01-30 11:20:01 C 14 00 28.76 +35 43 29.7 r 703
2009-01-30 23:25:19 C 13 58 06.80 +35 56 55.6 18.3 o C20
2009-02-02 09:31:35 C 13 46 19.35 +36 59 16.1 18.0 c 704
2009-02-02 10:06:52 C 13 46 11.91 +36 59 53.1 18.8 c 704
2009-02-02 10:24:42 C 13 46 08.18 +37 00 11.6 19.2 c 704
2009-02-02 10:42:21 C 13 46 04.32 +37 00 29.9 18.4 c 704
2009-02-04 00:29:45 C 13 38 02.88 +37 38 07.8 17.6 o 084
2009-02-14 12:08:09 C 12 39 37.00 +40 32 45.9 r 703
2009-02-14 12:15:14 C 12 39 35.28 +40 32 48.4 r 703
2009-02-14 12:22:24 C 12 39 33.55 +40 32 51.0 r 703