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
2012-12-01 02:04:11 C 00 21 48.29 +14 59 42.6 u H21
2012-12-01 02:08:16 C 00 21 48.89 +14 59 44.3 u H21
2012-12-01 02:16:25 C 00 21 50.08 +14 59 48.0 u H21
2012-12-03 19:49:49 C 00 31 37.25 +15 28 42.4 c A24
2012-12-03 19:50:52 C 00 31 37.41 +15 28 42.7 c A24
2012-12-03 20:11:55 C 00 31 40.40 +15 28 51.8 c A24
2012-12-03 20:34:03 C 00 31 43.62 +15 29 01.0 c A24
2012-12-03 20:55:06 C 00 31 46.66 +15 29 10.0 c A24
2012-12-03 20:56:08 C 00 31 46.79 +15 29 10.5 c A24
2012-12-05 05:16:48 C 00 36 31.64 +15 42 54.8 r 703
2012-12-05 05:27:35 C 00 36 33.15 +15 42 58.7 r 703
2012-12-05 05:38:18 C 00 36 34.70 +15 43 03.3 r 703
2012-12-05 05:49:04 C 00 36 36.21 +15 43 07.7 r 703
2012-12-05 18:51:49 C 00 38 31.12 +15 48 29.2 c A24
2012-12-05 18:52:51 C 00 38 31.24 +15 48 29.6 c A24
2012-12-05 19:14:12 C 00 38 34.26 +15 48 38.2 c A24
2012-12-05 19:57:54 C 00 38 40.46 +15 48 56.3 c A24
2012-12-05 19:58:57 C 00 38 40.55 +15 48 57.2 c A24
2012-12-06 04:35:08 C 00 39 55.12 +15 52 32.0 18.0 c 704
2012-12-06 05:13:17 C 00 40 00.54 +15 52 47.5 18.6 c 704
2012-12-06 05:32:15 C 00 40 03.23 +15 52 53.7 18.5 c 704
2012-12-06 05:51:17 C 00 40 06.01 +15 53 01.9 18.4 c 704
2012-12-09 19:16:06 C 00 52 19.13 +16 26 46.0 c A24
2012-12-09 19:17:08 C 00 52 19.26 +16 26 46.5 c A24
2012-12-09 22:12:44 C 00 52 43.45 +16 27 52.5 c A24
2012-12-09 22:13:45 C 00 52 43.49 +16 27 52.6 c A24
2012-12-12 02:59:53 C 01 00 06.02 +16 47 40.0 18.0 c 704
2012-12-12 03:18:38 C 01 00 08.49 +16 47 46.7 18.1 c 704
2012-12-12 03:37:39 C 01 00 11.08 +16 47 54.0 18.2 c 704
2012-12-12 03:56:26 C 01 00 13.58 +16 48 01.3 18.1 c 704
2012-12-12 04:16:14 C 01 00 16.26 +16 48 07.9 18.4 c 704
2012-12-27 02:42:38 C 01 47 07.31 +18 44 19.4 q 448
2012-12-27 02:49:56 C 01 47 08.22 +18 44 21.6 q 448
2012-12-27 02:57:10 C 01 47 09.06 +18 44 24.0 q 448
2012-12-27 03:05:04 C 01 47 10.00 +18 44 26.0 q 448
2012-12-28 21:01:38 C 01 52 18.68 +18 56 19.4 q 160
2012-12-28 21:05:11 C 01 52 19.06 +18 56 19.7 q 160
2012-12-28 21:09:11 C 01 52 19.62 +18 56 20.7 q 160
2012-12-29 03:34:46 C 01 53 06.78 +18 58 11.2 q 448
2012-12-29 03:44:05 C 01 53 07.83 +18 58 13.6 q 448
2012-12-29 03:53:25 C 01 53 08.94 +18 58 16.3 q 448
2012-12-29 19:21:14 C 01 55 01.83 +19 02 31.7 q 160
2012-12-29 19:25:26 C 01 55 02.34 +19 02 32.6 q 160
2012-12-29 19:28:12 C 01 55 02.70 +19 02 33.5 q 160
2012-12-30 19:14:30 C 01 57 54.95 +19 09 06.9 q 160
2012-12-30 19:18:22 C 01 57 55.41 +19 09 07.9 q 160
2012-12-30 19:22:27 C 01 57 55.89 +19 09 09.0 q 160
2012-12-31 19:15:29 C 02 00 47.82 +19 15 37.9 q 160
2012-12-31 19:19:28 C 02 00 48.28 +19 15 38.6 q 160
2012-12-31 19:23:25 C 02 00 48.72 +19 15 40.0 q 160