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
2014-03-08 08:17:00 C 12 06 35.91 +08 19 25.5 q G96
2014-03-08 08:28:56 C 12 06 34.97 +08 19 28.9 q G96
2014-03-12 08:20:36 C 11 59 07.266 +08 43 21.63 L F51
2014-03-12 08:41:26 C 11 59 05.621 +08 43 26.59 L F51
2014-03-12 08:58:38 C 11 59 04.266 +08 43 30.84 L F51
2014-03-12 09:17:28 C 11 59 02.769 +08 43 35.25 L F51
2014-03-20 11:30:50 C 11 44 11.989 +09 25 37.72 L F51
2014-03-20 11:47:09 C 11 44 10.766 +09 25 40.75 L F51
2014-03-20 12:21:17 C 11 44 08.173 +09 25 47.65 L F51
2014-03-23 08:51:09 C 11 39 07.34 +09 38 07.9 q G96
2014-03-23 09:01:02 C 11 39 06.61 +09 38 09.5 q G96
2014-03-23 09:10:54 C 11 39 05.87 +09 38 11.2 q G96
2014-03-23 09:20:45 C 11 39 05.16 +09 38 12.9 q G96
2014-03-23 11:01:14 C 11 38 57.82 +09 38 29.7 q G96
2014-03-23 11:02:53 C 11 38 57.71 +09 38 29.9 q G96
2014-03-23 11:04:34 C 11 38 57.58 +09 38 30.0 q G96
2014-03-23 11:06:17 C 11 38 57.47 +09 38 30.7 q G96
2014-03-23 11:07:58 C 11 38 57.34 +09 38 31.0 q G96
2015-03-29 10:47:21 C 13 23 03.242 -26 55 45.19 L F51
2015-03-29 11:00:42 C 13 23 02.371 -26 55 44.83 L F51
2015-03-29 11:14:38 C 13 23 01.419 -26 55 44.14 L F51
2015-03-29 11:28:01 C 13 23 00.511 -26 55 44.09 L F51
2016-02-12 17:35:07 C 19 33 56.84 +73 44 14.7 q 168
2016-02-12 18:41:08 C 19 33 42.70 +73 50 47.2 q 168
2016-02-12 19:40:53 C 19 33 29.84 +73 56 43.0 q 168
2016-02-12 20:32:20 C 19 33 18.54 +74 01 49.9 q 168
2016-02-13 15:26:12 C 19 28 17.94 +75 53 22.8 q 168
2016-02-13 16:30:58 C 19 27 59.51 +75 59 41.0 q 168
2016-02-13 17:30:39 C 19 27 42.23 +76 05 29.4 q 168
2016-02-14 06:00:06 S 19 23 34.00 +77 18 31.8 L C51
2016-02-14 07:34:21 S 19 22 59.28 +77 27 36.9 L C51
2016-02-14 09:08:48 S 19 22 23.85 +77 36 43.3 L C51
2016-02-14 10:43:14 S 19 21 47.41 +77 45 48.9 L C51
2016-02-14 13:51:55 S 19 20 32.12 +78 03 56.4 L C51
2016-02-14 15:26:21 S 19 19 53.08 +78 12 58.8 L C51
2016-02-14 17:00:36 S 19 19 13.09 +78 22 00.0 L C51
2016-02-15 19:08:49 C 19 04 59.30 +80 49 21.6 q C27
2016-02-15 19:43:11 C 19 04 36.54 +80 52 30.9 q C27
2016-02-15 19:59:45 C 19 04 25.50 +80 54 02.1 q C27
2016-02-19 19:57:40 C 13 56 06.18 +87 21 58.4 S C95
2016-02-19 21:13:07 C 13 46 31.56 +87 21 26.3 S C95
2016-02-19 21:50:13 C 13 41 49.75 +87 21 04.1 S C95
2016-02-19 22:27:26 C 13 37 08.37 +87 20 37.9 S C95
2016-02-19 23:04:25 C 13 32 30.59 +87 20 07.3 S C95
2016-02-19 23:35:19 C 13 28 39.64 +87 19 38.8 S C95
2016-02-20 00:18:52 C 13 23 16.40 +87 18 54.0 S C95
2016-02-20 00:55:56 C 13 18 41.93 +87 18 11.2 S C95
2016-02-20 18:56:10 C 11 32 56.76 +86 34 20.2 q C27
2016-02-20 21:12:03 C 11 23 16.45 +86 26 44.7 q C27
2016-02-28 04:58:27 C 08 52 34.63 +73 45 39.0 q H45