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
2012-10-10 17:03:55 C 21 07 22.66 +00 41 48.6 u 089
2012-10-10 17:06:03 C 21 07 22.92 +00 41 50.3 u 089
2012-10-10 17:08:12 C 21 07 23.19 +00 41 52.0 u 089
2012-10-10 17:10:21 C 21 07 23.46 +00 41 53.8 u 089
2012-10-10 17:12:30 C 21 07 23.72 +00 41 55.6 u 089
2012-10-13 04:15:52 C 21 15 15.29 +01 31 17.4 16.9 c 704
2012-10-13 04:35:29 C 21 15 17.80 +01 31 33.7 17.3 c 704
2012-10-13 04:55:14 C 21 15 20.39 +01 31 50.1 17.3 c 704
2012-10-13 05:15:04 C 21 15 23.03 +01 32 06.5 17.7 c 704
2012-10-13 05:34:44 C 21 15 25.51 +01 32 23.6 17.3 c 704
2012-10-14 20:16:34 C 21 20 47.57 +02 04 35.9 u J93
2012-10-14 20:20:36 C 21 20 48.08 +02 04 38.8 u J93
2012-10-14 20:24:39 C 21 20 48.60 +02 04 42.4 u J93
2012-10-16 04:14:18 C 21 25 18.55 +02 31 25.6 r 703
2012-10-16 04:21:38 C 21 25 19.59 +02 31 32.1 r 703
2012-10-16 04:29:03 C 21 25 20.56 +02 31 38.0 r 703
2012-10-16 04:36:23 C 21 25 21.57 +02 31 44.3 r 703
2012-10-16 20:41:53 C 21 27 40.60 +02 45 06.6 r 006
2012-10-16 21:02:40 C 21 27 43.49 +02 45 23.8 r 006
2012-10-16 21:11:07 C 21 27 44.66 +02 45 31.2 r 006
2012-10-18 04:15:27 C 21 32 16.65 +03 11 29.8 r 703
2012-10-18 04:20:17 C 21 32 17.34 +03 11 33.8 r 703
2012-10-18 04:25:05 C 21 32 17.98 +03 11 38.1 r 703
2012-10-18 04:29:54 C 21 32 18.67 +03 11 41.9 r 703
2012-10-21 23:26:43 C 21 46 00.42 +04 27 10.3 o 954
2012-10-21 23:51:17 C 21 46 04.06 +04 27 30.6 o 954
2012-10-23 17:52:35 C 21 52 36.92 +05 01 54.2 u 089
2012-10-23 17:54:53 C 21 52 37.26 +05 01 56.0 u 089
2012-10-23 17:57:11 C 21 52 37.59 +05 01 57.8 u 089
2012-10-23 17:59:29 C 21 52 37.97 +05 01 59.9 u 089
2012-10-23 18:01:47 C 21 52 38.31 +05 02 01.8 u 089
2012-10-23 18:04:05 C 21 52 38.64 +05 02 03.7 u 089
2012-10-24 02:12:34 C 21 53 55.22 +05 08 45.8 v H21
2012-10-24 02:19:18 C 21 53 56.24 +05 08 51.4 v H21
2012-10-24 02:26:01 C 21 53 57.25 +05 08 56.8 v H21
2012-10-24 02:32:45 C 21 53 58.27 +05 09 02.3 v H21
2012-10-27 01:08:23 C 22 05 12.61 +06 06 08.9 u H21
2012-10-27 01:12:29 C 22 05 13.26 +06 06 12.3 u H21
2012-10-27 01:16:35 C 22 05 13.89 +06 06 15.8 u H21
2012-10-27 01:20:41 C 22 05 14.52 +06 06 18.8 u H21
2012-10-27 01:24:22 C 22 05 15.09 +06 06 21.8 u H21
2012-10-29 02:23:55 C 22 13 10.61 +06 45 16.4 u H21
2012-10-29 02:29:02 C 22 13 11.42 +06 45 20.5 u H21
2012-10-29 02:30:06 C 22 13 11.58 +06 45 21.3 u H21
2012-10-29 02:35:19 C 22 13 12.40 +06 45 25.4 u H21
2012-10-29 02:44:36 C 22 13 13.85 +06 45 32.7 u H21
2012-11-01 02:28:40 C 22 25 00.00 +07 41 12.5 u H21
2012-11-01 02:35:21 C 22 25 01.07 +07 41 17.5 u H21
2012-11-01 02:42:03 C 22 25 02.14 +07 41 22.6 u H21
2012-11-01 02:48:55 C 22 25 03.23 +07 41 27.8 u H21