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
1995-10-15 07:07:59 00 32 13.10 +31 35 54.9 17.5 c 261
1995-10-15 08:08:00 00 32 18.17 +31 36 12.1 17.9 c 261
1995-10-22 19:50:59 00 49 54.18 +31 58 30.1 13.5 561
1995-10-22 20:09:59 00 49 56.85 +31 58 27.4 561
2002-11-21 10:51:15 C 08 37 32.76 +22 01 35.2 19.6 c 644
2002-11-21 11:06:21 C 08 37 32.85 +22 01 33.9 19.7 c 644
2002-11-21 11:21:14 C 08 37 32.97 +22 01 32.4 20.1 c 644
2002-12-11 11:00:34 C 08 31 13.14 +21 43 20.1 19.6 c 644
2002-12-11 11:31:19 C 08 31 12.00 +21 43 20.5 19.6 c 644
2002-12-11 12:12:54 C 08 31 10.46 +21 43 21.1 19.4 c 644
2002-12-11 23:36:35 C 08 30 47.02 +21 43 32.7 d 557
2002-12-11 23:55:27 C 08 30 46.26 +21 43 33.0 d 557
2002-12-12 00:04:37 C 08 30 45.98 +21 43 33.2 d 557
2002-12-12 09:03:19 C 08 30 26.69 +21 43 47.7 c 673
2002-12-12 09:09:19 C 08 30 26.47 +21 43 48.0 c 673
2002-12-12 09:15:59 C 08 30 26.23 +21 43 48.4 c 673
2002-12-12 15:40:46 C 08 30 12.15 +21 44 06.3 m 413
2002-12-12 15:44:56 C 08 30 12.00 +21 44 06.4 m 413
2002-12-12 15:49:05 C 08 30 11.83 +21 44 06.6 m 413
2002-12-15 09:40:05 C 08 27 36.00 +21 45 59.2 c 711
2002-12-15 09:53:32 C 08 27 35.31 +21 46 00.2 c 711
2002-12-15 10:07:38 C 08 27 34.72 +21 46 00.3 c 711
2002-12-15 10:16:29 C 08 27 34.38 +21 46 00.6 c 711
2002-12-25 08:12:04 C 08 15 36.56 +21 57 57.3 c 448
2002-12-25 08:18:57 C 08 15 36.12 +21 57 57.8 c 448
2002-12-25 08:31:18 C 08 15 35.39 +21 57 58.7 c 448
2002-12-25 22:09:50 C 08 14 48.09 +21 58 44.1 c 046
2002-12-25 22:14:53 C 08 14 47.82 +21 58 45.3 c 046
2002-12-25 22:16:15 C 08 14 47.75 +21 58 43.9 c 046
2002-12-25 22:17:36 C 08 14 47.60 +21 58 45.8 c 046
2002-12-31 07:13:22 C 08 06 55.24 +22 06 37.0 19.0 c 704
2002-12-31 07:34:54 C 08 06 53.83 +22 06 38.2 18.8 c 704
2002-12-31 07:56:09 C 08 06 52.38 +22 06 41.2 19.2 c 704
2002-12-31 08:17:19 C 08 06 51.03 +22 06 40.2 19.3 c 704
2002-12-31 08:38:30 C 08 06 49.61 +22 06 41.7 19.3 c 704
2003-01-04 07:20:47 C 08 00 42.84 +22 12 08.3 18.9 c 704
2003-01-04 07:41:11 C 08 00 41.47 +22 12 08.9 19.5 c 704
2003-01-04 08:22:24 C 08 00 38.60 +22 12 11.4 19.3 c 704
2003-01-04 08:42:54 C 08 00 37.31 +22 12 12.3 19.7 c 704
2003-01-05 08:11:09 C 07 59 05.02 +22 13 28.7 d 291
2003-01-05 08:47:19 C 07 59 02.58 +22 13 30.4 d 291
2003-01-05 09:25:51 C 07 58 59.95 +22 13 32.4 d 291
2003-01-08 07:39:33 C 07 54 22.94 +22 16 58.9 19.1 c 704
2003-01-08 08:00:47 C 07 54 21.47 +22 16 59.1 19.3 c 704
2003-01-08 09:04:04 C 07 54 17.11 +22 17 02.2 19.2 c 704
2003-02-02 19:11:46 C 07 20 33.48 +22 21 01.0 c 587
2003-02-02 19:16:22 C 07 20 33.24 +22 21 00.9 c 587
2003-02-02 19:20:59 C 07 20 33.15 +22 21 00.5 c 587
2003-02-02 19:26:41 C 07 20 32.87 +22 21 00.3 c 587
2005-05-05 13:21:11 C 17 11 45.55 -28 59 19.5 o F65