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
1975-05-10 10:39:18 12 21 40.10 -30 21 16.2 d 260
1975-05-10 11:39:18 12 21 35.36 -30 20 48.5 d 260
2000-02-12 11:08:22 C 12 56 11.600 -01 24 04.96 n 645
2000-02-12 11:09:34 C 12 56 11.552 -01 24 04.62 n 645
2000-02-12 11:13:09 C 12 56 11.422 -01 24 04.58 n 645
2002-01-09 11:43:04 C 13 40 17.23 +15 49 04.5 19.3 c 704
2002-01-09 12:05:38 C 13 40 16.47 +15 49 10.9 19.9 c 704
2002-01-09 12:27:19 C 13 40 15.73 +15 49 17.6 19.5 c 704
2002-01-09 12:49:08 C 13 40 15.07 +15 49 23.9 19.8 c 704
2002-01-10 03:56:14 C 13 39 45.35 +15 54 05.1 c 046
2002-01-10 03:59:11 C 13 39 45.31 +15 54 06.7 c 046
2002-01-10 04:01:42 C 13 39 45.14 +15 54 06.4 c 046
2002-01-10 04:04:16 C 13 39 45.07 +15 54 07.4 c 046
2002-01-10 04:06:50 C 13 39 45.07 +15 54 08.5 c 046
2002-01-10 20:19:03 C 13 39 11.91 +15 59 21.0 344
2002-01-10 20:34:47 C 13 39 11.38 +15 59 26.1 344
2002-01-11 02:16:42 C 13 38 59.50 +16 01 14.7 c 046
2002-01-11 02:21:00 C 13 38 59.37 +16 01 16.3 c 046
2002-01-11 02:25:21 C 13 38 59.12 +16 01 18.5 c 046
2002-01-11 02:27:21 C 13 38 59.10 +16 01 18.8 c 046
2002-01-11 09:53:59 C 13 38 43.20 +16 03 47.0 19.2 c 704
2002-01-11 09:54:01 C 13 38 43.26 +16 03 47.0 19.3 c 704
2002-01-11 10:15:57 C 13 38 42.45 +16 03 55.6 19.7 c 704
2002-01-11 10:16:35 C 13 38 42.37 +16 03 56.4 19.8 c 704
2002-01-11 10:37:54 C 13 38 41.54 +16 04 02.9 19.8 c 704
2002-01-11 10:40:47 C 13 38 41.49 +16 04 03.6 20.3 c 704
2002-01-11 10:57:46 C 13 38 40.86 +16 04 08.9 c 696
2002-01-11 11:10:15 C 13 38 40.43 +16 04 14.1 c 696
2002-01-11 11:26:17 C 13 38 39.73 +16 04 19.5 19.8 c 704
2002-01-11 17:34:03 C 13 38 26.50 +16 06 30.0 m 413
2002-01-11 17:37:01 C 13 38 26.33 +16 06 31.0 m 413
2002-01-11 17:40:00 C 13 38 26.25 +16 06 32.2 m 413
2002-01-12 10:59:07 C 13 37 47.15 +16 12 15.1 19.7 c 704
2002-01-12 11:19:16 C 13 37 46.46 +16 12 23.5 m 333
2002-01-12 11:21:42 C 13 37 46.39 +16 12 23.1 19.7 c 704
2002-01-12 11:33:24 C 13 37 45.90 +16 12 27.5 m 333
2002-01-12 11:43:47 C 13 37 45.53 +16 12 32.1 19.6 c 704
2002-01-12 12:28:07 C 13 37 43.66 +16 12 47.0 19.4 c 704
2002-01-18 10:14:39 C 13 31 19.36 +17 06 25.7 c 649
2002-01-18 10:24:56 C 13 31 18.76 +17 06 30.4 c 649
2002-01-18 12:25:11 C 13 31 12.26 +17 07 19.5 c 649
2002-01-22 09:58:09 C 13 25 50.81 +17 47 42.4 c 649
2002-01-22 10:11:01 C 13 25 49.99 +17 47 48.8 c 649
2002-01-22 10:22:07 C 13 25 49.22 +17 47 53.4 c 649
2002-02-09 17:09:23 C 12 48 00.24 +21 25 09.8 m 413
2002-02-09 17:12:02 C 12 47 59.91 +21 25 11.1 m 413
2002-02-09 17:14:39 C 12 47 59.65 +21 25 12.4 m 413
2002-02-16 22:18:24 C 12 27 55.27 +22 44 28.4 c 118
2002-02-16 22:21:19 C 12 27 54.85 +22 44 29.4 c 118
2002-02-16 22:24:08 C 12 27 54.52 +22 44 31.5 c 118