276397 (2002 XA40)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4797368117 ± 1.48e-08
Semi-major axis (a)2.2649129850 AU ± 4.43e-09
Inclination (i)4.44696904° ± 1.88e-06
Long. of Asc. Node (Ω)300.50792637° ± 2.47e-05
Arg. of Perihelion (ω)66.96267743° ± 2.56e-05
Mean Anomaly (M)305.09366546° ± 4.74e-06
Mean Motion (n)0.2891578545°/day ± 8.49e-10
Perihelion dist (q)1.17835085 AU ± 3.36e-08
Aphelion dist (Q)3.35147512 AU ± 3.42e-08
Orbital Period3.40860975 yr ± 1.00e-08
Physical Parameters
H (abs. magnitude)17.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.304″
Uncertainty0
Orbit TypeAmor
MOID0.190439 AU
Observations Used631
Oppositions21
Arc Total1995-2025
First Observation Used1995-10-15
Last Observation Used2025-05-19
Observations (652)
Date Type RA Dec Mag Band Observatory
2012-06-24 09:23:42 C 20 33 19.39 -21 40 57.3 19.5 c 704
2012-06-24 09:38:36 C 20 33 19.42 -21 40 54.8 19.4 c 704
2012-06-24 09:53:30 C 20 33 19.54 -21 40 51.2 18.7 c 704
2012-07-18 06:58:50 C 20 29 01.53 -19 36 13.3 r 703
2012-07-18 07:01:42 C 20 29 01.42 -19 36 12.2 r 703
2012-07-18 07:10:24 C 20 29 01.17 -19 36 10.0 r 703
2012-07-18 07:13:22 C 20 29 01.06 -19 36 09.3 r 703
2012-07-18 07:22:14 C 20 29 00.81 -19 36 06.8 r 703
2012-07-18 07:25:08 C 20 29 00.70 -19 36 06.0 r 703
2012-07-18 07:34:01 C 20 29 00.49 -19 36 03.6 r 703
2012-07-18 07:36:56 C 20 29 00.38 -19 36 02.7 r 703
2012-07-20 06:41:44 C 20 27 44.70 -19 23 00.4 16.6 c 704
2012-07-20 06:58:18 C 20 27 44.18 -19 22 55.6 17.1 c 704
2012-07-20 07:14:24 C 20 27 43.64 -19 22 50.9 17.1 c 704
2012-07-20 07:30:28 C 20 27 43.12 -19 22 46.6 17.0 c 704
2012-07-20 07:46:28 C 20 27 42.64 -19 22 41.9 17.3 c 704
2012-07-24 21:29:59 C 20 24 20.87 -18 49 39.0 u C27
2012-07-24 22:26:18 C 20 24 18.77 -18 49 21.5 u C27
2012-07-24 23:28:29 C 20 24 16.43 -18 49 01.9 u C27
2012-07-27 22:09:14 C 20 21 50.53 -18 25 30.8 o B67
2012-07-27 22:17:43 C 20 21 50.19 -18 25 28.0 o B67
2012-07-27 22:26:10 C 20 21 49.85 -18 25 25.2 o B67
2012-07-27 22:27:18 C 20 21 49.78 -18 25 24.4 u 157
2012-07-27 22:31:35 C 20 21 49.61 -18 25 22.8 u 157
2012-07-27 22:35:51 C 20 21 49.43 -18 25 21.2 u 157
2012-07-29 00:26:27 C 20 20 53.42 -18 16 17.0 u C27
2012-07-29 01:09:21 C 20 20 51.64 -18 16 01.6 u C27
2012-08-02 04:33:51 C 20 17 10.43 -17 38 41.0 t H21
2012-08-02 04:38:00 C 20 17 10.29 -17 38 39.1 t H21
2012-08-02 04:42:14 C 20 17 10.11 -17 38 38.1 t H21
2012-08-02 04:46:34 C 20 17 09.93 -17 38 36.1 t H21
2012-08-10 07:59:47 c 20 09 50.670 -16 13 32.75 L F51
2012-08-10 08:14:56 c 20 09 50.025 -16 13 25.70 L F51
2012-08-19 21:44:55 C 20 02 50.57 -14 14 11.4 u J93
2012-08-19 21:51:02 C 20 02 50.39 -14 14 08.0 u J93
2012-08-19 21:56:26 C 20 02 50.25 -14 14 05.0 u J93
2012-08-22 22:07:27 C 20 01 24.08 -13 32 30.1 u J93
2012-08-22 22:11:30 C 20 01 24.02 -13 32 27.0 u J93
2012-08-22 22:15:34 C 20 01 23.90 -13 32 24.8 u J93
2012-08-27 18:00:20 C 20 00 09.39 -12 22 09.6 r 168
2012-08-27 18:01:45 C 20 00 09.36 -12 22 09.1 r 168
2012-08-27 18:02:58 C 20 00 09.34 -12 22 08.2 r 168
2012-08-27 18:04:01 C 20 00 09.35 -12 22 07.4 r 168
2012-08-27 18:05:13 C 20 00 09.32 -12 22 06.6 r 168
2012-08-27 18:06:23 C 20 00 09.34 -12 22 06.1 r 168
2012-08-30 02:48:54 C 20 00 05.02 -11 46 08.8 v H21
2012-08-30 02:53:44 C 20 00 05.00 -11 46 05.7 v H21
2012-08-30 02:58:30 C 20 00 04.98 -11 46 02.5 v H21
2012-09-03 03:20:00 C 20 00 49.74 -10 43 03.5 u 448
2012-09-03 03:25:14 C 20 00 49.78 -10 43 00.0 u 448