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
2020-11-02 13:04:46 C 12 23 51.29 +14 21 11.4 U I41
2020-11-02 13:11:34 C 12 23 51.70 +14 21 08.3 U I41
2020-11-16 12:51:40 C 12 43 20.84 +11 52 01.9 U I41
2020-11-16 12:58:24 C 12 43 21.19 +11 51 59.6 U I41
2020-11-16 13:05:07 C 12 43 21.53 +11 51 56.8 U I41
2020-11-16 13:11:53 C 12 43 21.91 +11 51 54.3 U I41
2020-11-16 13:18:35 C 12 43 22.25 +11 51 51.3 U I41
2021-01-13 14:24:05 C 13 13 27.755 +08 17 35.38 U F52
2021-01-13 14:43:33 C 13 13 27.399 +08 17 37.40 U F52
2021-01-13 15:03:01 C 13 13 27.044 +08 17 39.56 U F52
2021-01-13 15:22:39 C 13 13 26.687 +08 17 41.68 U F52
2021-02-07 12:06:15 C 12 49 56.566 +10 26 41.66 U F51
2021-02-07 12:21:20 C 12 49 55.604 +10 26 46.26 U F51
2021-02-07 12:36:30 C 12 49 54.616 +10 26 50.92 U F51
2021-02-11 10:07:07 C 12 43 42.25 +10 56 04.8 V 703
2021-02-11 10:29:53 C 12 43 40.40 +10 56 12.1 V 703
2021-02-22 13:53:32 C 12 22 45.649 +12 23 20.91 U F51
2021-02-22 14:09:55 C 12 22 44.221 +12 23 26.16 U F51
2021-02-22 14:26:20 C 12 22 42.796 +12 23 31.33 U F51
2021-02-22 14:42:45 C 12 22 41.369 +12 23 36.50 U F51
2021-03-06 08:44:26 C 11 57 33.43 +13 45 30.1 V G96
2021-03-06 08:51:51 C 11 57 32.73 +13 45 32.2 V G96
2021-03-06 08:59:18 C 11 57 32.07 +13 45 33.9 V G96
2021-03-06 09:06:43 C 11 57 31.35 +13 45 35.6 V G96
2021-03-15 08:08:07 C 11 38 20.788 +14 30 21.10 U F52
2021-03-15 08:25:45 C 11 38 19.242 +14 30 23.97 U F52
2021-03-15 08:43:20 C 11 38 17.692 +14 30 26.98 U F52
2021-03-15 09:00:54 C 11 38 16.154 +14 30 29.89 U F52
2021-03-19 07:44:42 C 11 30 16.76 +14 43 52.7 V G96
2021-03-19 07:52:14 C 11 30 16.12 +14 43 53.4 V G96
2021-03-19 07:59:46 C 11 30 15.49 +14 43 54.3 V G96
2021-03-19 08:07:21 C 11 30 14.85 +14 43 55.1 V G96
2021-04-03 06:56:15 C 11 04 39.592 +14 59 22.15 U F52
2021-04-03 07:12:55 C 11 04 38.581 +14 59 21.66 U F52
2021-04-03 07:29:39 C 11 04 37.572 +14 59 21.17 U F52
2021-04-06 05:17:34 C 11 00 39.97 +14 56 28.6 V G96
2021-04-06 05:25:47 C 11 00 39.53 +14 56 29.3 V G96
2021-04-06 05:34:00 C 11 00 39.11 +14 56 28.8 V G96
2021-04-06 05:42:14 C 11 00 38.63 +14 56 27.5 V G96
2022-03-02 12:49:17 C 13 43 07.742 -23 11 36.06 U F52
2022-03-02 13:04:53 C 13 43 07.186 -23 11 38.01 U F52
2022-03-02 13:20:25 C 13 43 06.646 -23 11 39.69 U F52
2022-03-02 13:35:58 C 13 43 06.106 -23 11 41.88 U F52
2023-02-27 20:22:45 C 00 30 54.235 +39 22 30.65 V Z80
2023-02-27 20:32:10 C 00 30 57.794 +39 23 05.28 V Z80
2023-02-27 20:41:42 C 00 31 01.178 +39 23 41.10 V Z80
2023-03-11 19:44:55 C 02 43 36.36 +52 38 18.3 V M14
2023-03-11 20:25:15 C 02 43 57.90 +52 39 17.3 V M14
2023-03-14 23:20:42 C 03 24 25.126 +54 00 56.70 V Z80
2023-03-14 23:33:26 C 03 24 32.038 +54 01 05.16 V Z80