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
2009-02-14 12:29:37 C 12 39 31.82 +40 32 53.6 r 703
2009-02-15 07:45:18 C 12 34 54.15 +40 39 39.8 18.1 c 704
2009-02-15 08:01:24 C 12 34 50.31 +40 39 44.2 18.4 c 704
2009-02-15 08:17:34 C 12 34 46.28 +40 39 50.6 18.4 c 704
2009-02-15 08:34:03 C 12 34 42.28 +40 39 56.5 18.1 c 704
2009-02-15 08:50:32 C 12 34 38.18 +40 40 01.0 18.9 c 704
2009-02-19 23:52:52 C 12 08 10.42 +40 58 58.0 r J27
2009-02-20 00:09:05 C 12 08 06.62 +40 58 58.3 r J27
2009-02-20 00:18:55 C 12 08 04.28 +40 58 59.0 r J27
2009-02-24 10:23:02 C 11 44 03.33 +40 47 04.7 r 703
2009-02-24 10:30:50 C 11 44 01.57 +40 47 03.3 r 703
2009-02-24 10:38:37 C 11 43 59.91 +40 47 01.4 r 703
2009-02-24 10:46:32 C 11 43 58.15 +40 46 58.6 r 703
2009-02-28 01:49:13 C 11 25 49.52 +40 18 05.0 c A24
2009-02-28 01:50:39 C 11 25 49.27 +40 18 04.6 c A24
2009-02-28 02:11:12 C 11 25 45.12 +40 17 55.8 c A24
2009-02-28 02:33:12 C 11 25 40.69 +40 17 46.2 c A24
2009-02-28 02:53:45 C 11 25 36.55 +40 17 37.4 c A24
2009-02-28 02:55:11 C 11 25 36.26 +40 17 36.3 c A24
2009-03-02 06:09:04 C 11 15 44.71 +39 53 56.3 r 703
2009-03-02 06:22:20 C 11 15 42.22 +39 53 49.9 r 703
2009-03-02 06:35:28 C 11 15 39.78 +39 53 42.2 r 703
2009-03-02 06:48:41 C 11 15 37.29 +39 53 36.2 r 703
2009-03-16 22:19:43 C 10 25 16.85 +35 54 59.9 r 106
2009-03-16 22:34:58 C 10 25 15.24 +35 54 47.9 r 106
2009-03-16 22:50:12 C 10 25 13.72 +35 54 35.9 r 106
2009-03-16 23:05:27 C 10 25 12.07 +35 54 24.6 r 106
2009-03-21 19:50:18 C 10 14 38.13 +34 24 07.5 r 240
2009-03-21 20:00:31 C 10 14 37.28 +34 23 59.9 r 240
2009-03-21 20:10:45 C 10 14 36.44 +34 23 52.1 r 240
2009-03-21 20:24:02 C 10 14 35.37 +34 23 41.2 r 240
2012-02-21 10:22:06 C 13 00 37.44 -07 21 05.3 r G96
2012-02-21 10:29:41 C 13 00 37.04 -07 21 04.7 r G96
2012-02-21 10:37:13 C 13 00 36.75 -07 21 03.9 r G96
2012-02-21 10:44:47 C 13 00 36.54 -07 21 03.4 r G96
2013-05-30 22:45:35 C 10 45 55.48 -51 15 54.4 u 807
2013-05-30 22:49:07 C 10 45 54.89 -51 15 49.7 u 807
2013-05-30 22:54:36 C 10 45 53.99 -51 15 42.6 u 807
2013-05-30 23:00:41 C 10 45 52.98 -51 15 34.0 u 807
2013-05-30 23:04:04 C 10 45 52.44 -51 15 29.5 u 807
2014-02-10 11:54:34 C 12 48 51.203 +05 37 04.62 L F51
2014-02-10 12:14:27 C 12 48 50.119 +05 37 09.26 L F51
2014-02-10 12:34:25 C 12 48 49.054 +05 37 13.71 L F51
2014-02-10 12:54:29 C 12 48 47.954 +05 37 18.33 L F51
2014-02-27 11:40:43 C 12 22 46.388 +07 22 20.92 L F51
2014-02-27 11:58:22 C 12 22 45.063 +07 22 25.76 L F51
2014-02-27 12:16:06 C 12 22 43.731 +07 22 30.70 L F51
2014-02-27 12:33:53 C 12 22 42.402 +07 22 35.56 L F51
2014-03-08 07:53:06 C 12 06 37.80 +08 19 19.2 q G96
2014-03-08 08:05:03 C 12 06 36.84 +08 19 22.8 q G96