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
2012-09-03 03:30:27 C 20 00 49.80 -10 42 56.5 u 448
2012-09-03 03:35:40 C 20 00 49.84 -10 42 53.1 u 448
2012-09-03 03:40:52 C 20 00 49.87 -10 42 49.6 u 448
2012-09-05 21:42:46 C 20 02 00.00 -09 58 29.1 u I74
2012-09-05 21:49:31 C 20 02 00.12 -09 58 24.4 u I74
2012-09-05 22:01:25 C 20 02 00.31 -09 58 16.5 u I74
2012-09-06 07:05:03 c 20 02 13.113 -09 51 54.62 L F51
2012-09-06 07:19:50 c 20 02 13.334 -09 51 44.56 L F51
2012-09-06 20:43:04 C 20 02 32.85 -09 42 46.2 o J94
2012-09-06 21:10:05 C 20 02 33.40 -09 42 27.1 o J94
2012-09-06 21:34:06 C 20 02 33.79 -09 42 10.1 o J94
2012-09-08 20:24:30 C 20 03 53.36 -09 09 46.3 u 160
2012-09-08 20:26:51 C 20 03 53.43 -09 09 44.6 u 160
2012-09-08 20:29:09 C 20 03 53.49 -09 09 43.1 u 160
2012-09-13 19:16:30 C 20 08 34.75 -07 45 31.3 u 089
2012-09-13 19:18:39 C 20 08 34.84 -07 45 29.5 u 089
2012-09-13 19:27:20 C 20 08 35.20 -07 45 23.2 u 089
2012-09-13 19:53:02 C 20 08 36.30 -07 45 04.9 u 089
2012-09-14 19:22:39 C 20 09 46.58 -07 28 03.6 t 130
2012-09-14 19:26:15 C 20 09 46.75 -07 28 00.8 t 130
2012-09-14 19:39:10 C 20 09 47.24 -07 27 52.1 t 130
2012-09-16 21:18:38 C 20 12 29.17 -06 51 29.6 u 160
2012-09-16 21:21:33 C 20 12 29.34 -06 51 27.7 u 160
2012-09-16 21:24:27 C 20 12 29.47 -06 51 25.9 u 160
2012-09-17 02:35:00 C 20 12 48.71 -06 47 32.5 16.1 c 704
2012-09-17 02:55:55 C 20 12 49.65 -06 47 17.1 16.4 c 704
2012-09-17 03:37:44 C 20 12 51.92 -06 46 46.2 16.6 c 704
2012-09-17 03:58:30 C 20 12 52.99 -06 46 30.8 16.6 c 704
2012-09-18 21:45:36 C 20 15 28.04 -06 15 33.5 u J93
2012-09-18 21:51:40 C 20 15 28.40 -06 15 29.2 u J93
2012-09-18 21:54:44 C 20 15 28.53 -06 15 27.1 u J93
2012-09-19 02:06:02 C 20 15 45.93 -06 12 11.9 u 448
2012-09-19 02:11:30 C 20 15 46.27 -06 12 07.7 u 448
2012-09-19 02:16:51 C 20 15 46.57 -06 12 03.9 u 448
2012-09-19 02:22:08 C 20 15 46.86 -06 11 59.9 u 448
2012-09-19 02:28:00 C 20 15 47.22 -06 11 55.6 u 448
2012-09-19 11:23:35 C 20 16 22.24 -06 05 14.1 o 300
2012-09-19 11:24:53 C 20 16 22.31 -06 05 13.1 o 300
2012-09-19 11:26:12 C 20 16 22.40 -06 05 12.2 o 300
2012-09-19 11:27:29 C 20 16 22.50 -06 05 11.7 o 300
2012-09-19 11:28:47 C 20 16 22.56 -06 05 10.2 o 300
2012-09-19 11:30:06 C 20 16 22.64 -06 05 09.0 o 300
2012-09-19 20:58:12 C 20 17 00.51 -05 58 06.6 r 169
2012-09-19 21:03:16 C 20 17 00.75 -05 58 02.9 r 169
2012-09-19 21:08:21 C 20 17 01.05 -05 57 58.7 r 169
2012-09-20 16:58:30 C 20 18 24.14 -05 43 04.1 r 168
2012-09-20 17:02:20 C 20 18 24.40 -05 43 00.8 r 168
2012-09-20 18:11:30 C 20 18 28.99 -05 42 08.6 r 168
2012-09-20 18:16:35 C 20 18 29.33 -05 42 04.7 r 168
2012-09-27 17:19:57 C 20 32 16.93 -03 32 32.0 u C73