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
2016-02-28 04:59:50 C 08 52 34.48 +73 45 32.8 q H45
2016-02-28 05:00:50 C 08 52 34.46 +73 45 28.5 q H45
2016-02-28 05:01:48 C 08 52 34.15 +73 45 24.9 q H45
2016-02-28 05:03:05 C 08 52 34.07 +73 45 20.1 q H45
2016-02-28 05:04:20 C 08 52 34.00 +73 45 14.6 q H45
2016-03-01 09:43:37 C 08 47 00.50 +70 18 24.8 L T05
2016-03-01 10:06:46 C 08 46 58.36 +70 16 57.0 L T05
2016-03-01 10:12:18 C 08 46 57.93 +70 16 35.6 L T05
2016-03-04 05:01:17 C 08 43 11.74 +66 15 23.4 q 703
2016-03-04 05:08:36 C 08 43 11.34 +66 14 58.5 q 703
2016-03-04 05:15:56 C 08 43 11.02 +66 14 33.3 q 703
2016-03-04 05:23:15 C 08 43 10.72 +66 14 08.4 q 703
2016-03-13 09:50:21 C 08 40 53.09 +55 27 04.9 q 703
2016-03-13 09:52:47 C 08 40 53.07 +55 26 56.4 q 703
2016-03-13 09:54:00 C 08 40 53.11 +55 26 52.8 q 703
2016-03-16 13:13:57 C 08 41 46.69 +52 29 17.6 q D29
2016-03-16 13:40:15 C 08 41 46.96 +52 28 18.7 q D29
2016-03-16 14:06:33 C 08 41 47.23 +52 27 19.2 q D29
2016-04-01 04:37:32 C 08 51 05.89 +41 25 18.0 q 703
2016-04-01 04:56:15 C 08 51 06.42 +41 24 53.0 q 703
2016-04-01 05:21:08 C 08 51 07.11 +41 24 17.2 q 703
2016-04-05 06:06:40 C 08 54 19.914 +39 15 51.56 L F51
2016-04-05 06:22:17 C 08 54 20.409 +39 15 31.82 L F51
2016-04-05 06:37:53 C 08 54 20.904 +39 15 12.19 L F51
2016-04-05 06:53:26 C 08 54 21.397 +39 14 52.51 L F51
2017-03-25 07:51:01 C 12 45 42.86 -14 08 53.3 q G96
2017-03-25 07:57:07 C 12 45 42.48 -14 08 51.5 q G96
2017-03-25 08:03:14 C 12 45 42.11 -14 08 50.4 q G96
2017-03-25 08:09:20 C 12 45 41.79 -14 08 49.2 q G96
2017-04-01 10:55:34 C 12 35 36.590 -13 35 23.97 L F51
2017-04-01 11:10:23 C 12 35 35.696 -13 35 20.72 L F51
2017-04-01 11:25:12 C 12 35 34.792 -13 35 17.60 L F51
2017-04-01 11:40:01 C 12 35 33.899 -13 35 14.33 L F51
2019-03-29 06:01:46 C 12 05 36.19 -01 58 17.3 V G96
2019-03-29 06:09:50 C 12 05 35.73 -01 58 15.5 V G96
2019-03-29 06:17:52 C 12 05 35.20 -01 58 13.6 V G96
2019-03-29 06:25:56 C 12 05 34.72 -01 58 12.3 V G96
2019-04-03 09:25:49 C 11 58 18.893 -01 30 54.87 U F51
2019-04-03 09:47:33 C 11 58 17.625 -01 30 50.15 U F51
2019-04-03 10:31:06 C 11 58 15.060 -01 30 40.73 U F51
2019-04-04 09:47:45 C 11 56 54.947 -01 25 39.37 U F51
2019-04-04 10:03:53 C 11 56 53.998 -01 25 35.92 U F51
2019-04-04 10:20:02 C 11 56 53.059 -01 25 32.53 U F51
2020-10-23 12:31:32 C 12 07 04.84 +16 25 02.8 U I41
2020-10-23 12:45:12 C 12 07 05.84 +16 24 55.7 U I41
2020-10-23 12:52:05 C 12 07 06.36 +16 24 52.2 U I41
2020-10-23 12:58:56 C 12 07 06.88 +16 24 48.2 U I41
2020-11-02 12:44:21 C 12 23 49.96 +14 21 21.6 U I41
2020-11-02 12:51:09 C 12 23 50.39 +14 21 18.6 U I41
2020-11-02 12:57:56 C 12 23 50.86 +14 21 15.1 U I41