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
2023-03-27 02:40:33 C 05 39 51.066 +52 20 09.42 V 703
2023-03-27 02:48:22 C 05 39 53.845 +52 19 59.84 V 703
2023-03-27 03:04:02 C 05 39 59.584 +52 19 44.69 V 703
2023-03-28 05:39:30 C 05 49 30.022 +51 50 30.37 V T05
2023-03-28 05:44:11 C 05 49 31.639 +51 50 25.80 V T05
2023-03-28 05:53:57 C 05 49 35.074 +51 50 13.67 V T05
2023-03-28 06:10:40 C 05 49 40.750 +51 49 55.20 V T05
2023-04-08 03:25:07 C 07 01 11.215 +46 17 39.41 V 703
2023-04-08 03:33:30 C 07 01 13.026 +46 17 29.65 V 703
2023-04-08 03:41:52 C 07 01 14.812 +46 17 17.34 V 703
2023-04-08 03:50:13 C 07 01 16.590 +46 17 06.40 V 703
2023-04-18 04:08:05 C 07 43 47.845 +41 16 15.92 V 703
2023-04-18 04:16:24 C 07 43 49.033 +41 16 05.59 V 703
2023-04-18 04:24:41 C 07 43 50.311 +41 15 55.40 V 703
2023-04-18 04:32:59 C 07 43 51.474 +41 15 46.01 V 703
2024-02-08 14:15:27 C 13 23 04.001 -12 36 08.48 X F52
2024-02-08 14:32:20 C 13 23 03.684 -12 36 09.69 X F52
2024-02-08 15:06:11 C 13 23 03.018 -12 36 12.04 X F52
2024-03-19 10:24:09 C 12 45 21.188 -11 53 32.07 X F52
2024-03-19 10:39:23 C 12 45 20.304 -11 53 29.53 X F52
2024-03-19 10:54:34 C 12 45 19.441 -11 53 27.12 X F52
2024-03-19 11:09:48 C 12 45 18.570 -11 53 24.43 X F52
2024-04-04 05:26:22 C 12 23 19.968 -10 36 22.46 V G96
2024-04-04 05:42:21 C 12 23 19.021 -10 36 18.54 V G96
2024-04-04 05:51:51 C 12 23 18.409 -10 36 16.52 V G96
2025-04-01 03:10:12 C 20 07 43.776 -55 05 28.75 V M22
2025-04-01 03:14:54 C 20 07 45.228 -55 05 29.76 V M22
2025-04-01 03:32:01 C 20 07 51.014 -55 05 32.78 V M22
2025-04-01 03:41:33 C 20 07 54.115 -55 05 36.28 V M22
2025-04-05 02:44:43 C 20 41 07.543 -55 11 57.12 V M22
2025-04-05 02:48:38 C 20 41 08.868 -55 11 57.08 V M22
2025-04-05 03:03:39 C 20 41 14.395 -55 11 56.18 V M22
2025-04-05 03:07:45 C 20 41 15.842 -55 11 55.72 V M22
2025-04-05 03:18:19 C 20 41 19.610 -55 11 55.28 V M22
2025-04-05 03:25:05 C 20 41 22.171 -55 11 53.99 V M22
2025-04-05 03:35:18 C 20 41 25.886 -55 11 52.98 V M22