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
2005-05-05 13:23:06 C 17 11 45.51 -28 59 19.5 o F65
2005-05-05 13:25:01 C 17 11 45.48 -28 59 19.3 o F65
2005-05-05 13:26:55 C 17 11 45.48 -28 59 19.5 o F65
2005-11-25 01:37:03 C 20 05 39.74 -17 41 35.8 r G96
2005-11-25 01:44:43 C 20 05 40.85 -17 41 31.8 r G96
2005-12-31 05:26:18 C 22 18 12.032 -06 45 20.04 o 568
2005-12-31 05:33:00 C 22 18 13.074 -06 45 13.69 o 568
2005-12-31 05:39:41 C 22 18 14.102 -06 45 07.49 o 568
2007-03-12 04:58:32 C 10 53 54.35 +02 02 17.0 21.6 o H55
2007-03-12 05:21:42 C 10 53 53.33 +02 02 23.1 21.6 o H55
2007-03-12 05:39:20 C 10 53 52.60 +02 02 26.4 21.7 o H55
2007-03-12 06:11:06 C 10 53 51.27 +02 02 34.8 21.7 o H55
2009-10-26 11:13:34 C 09 29 55.19 +15 36 58.1 o 691
2009-10-26 11:31:03 C 09 29 56.07 +15 36 53.4 o 691
2009-10-26 11:48:31 C 09 29 56.92 +15 36 47.7 o 691
2009-11-19 11:47:26 C 09 54 40.85 +12 57 36.4 o 691
2009-11-19 12:14:16 C 09 54 41.65 +12 57 31.2 o 691
2009-11-19 12:41:04 C 09 54 42.43 +12 57 25.6 o 691
2010-01-06 09:31:26 C 09 53 05.47 +11 35 56.3 o 691
2010-01-06 09:56:56 C 09 53 04.55 +11 35 58.5 o 691
2010-01-06 10:22:22 C 09 53 03.61 +11 36 01.8 o 691
2010-01-10 08:12:46 C 09 49 34.36 +11 46 09.6 o 691
2010-01-10 08:38:14 C 09 49 33.34 +11 46 12.2 o 691
2010-01-10 09:03:43 C 09 49 32.28 +11 46 15.6 o 691
2010-02-11 08:37:01 C 09 11 10.140 +13 56 56.04 L F51
2010-02-11 08:51:56 C 09 11 09.356 +13 56 58.53 L F51
2010-02-13 07:40:52 C 09 08 48.30 +14 05 06.4 r G96
2010-02-13 07:58:04 C 09 08 47.40 +14 05 09.2 r G96
2010-02-13 08:06:43 C 09 08 46.96 +14 05 10.2 r G96
2010-03-13 07:06:42 C 08 45 00.96 +15 26 05.7 o 291
2010-03-13 07:18:08 C 08 45 00.70 +15 26 06.4 o 291
2010-03-13 07:31:43 C 08 45 00.47 +15 26 07.3 o 291
2012-05-22 09:17:37 C 20 09 21.09 -23 55 22.4 o 807
2012-05-22 09:30:10 C 20 09 21.64 -23 55 20.4 o 807
2012-05-22 09:39:26 C 20 09 22.05 -23 55 18.8 o 807
2012-06-16 12:55:28 C 20 30 20.114 -22 14 37.05 L F51
2012-06-16 13:15:32 C 20 30 20.469 -22 14 33.58 L F51
2012-06-16 13:35:36 C 20 30 20.823 -22 14 30.06 L F51
2012-06-16 13:55:36 C 20 30 21.176 -22 14 26.51 L F51
2012-06-22 09:37:49 C 20 32 45.42 -21 49 39.5 r G96
2012-06-22 09:45:48 C 20 32 45.49 -21 49 38.1 r G96
2012-06-22 09:53:34 C 20 32 45.56 -21 49 36.5 r G96
2012-06-22 10:01:22 C 20 32 45.67 -21 49 35.1 r G96
2012-06-23 09:25:44 C 20 33 03.28 -21 45 19.6 u 448
2012-06-23 09:31:24 C 20 33 03.37 -21 45 19.0 u 448
2012-06-23 09:36:17 C 20 33 03.40 -21 45 17.7 u 448
2012-06-23 09:41:29 C 20 33 03.41 -21 45 18.0 u 448
2012-06-23 09:45:51 C 20 33 03.44 -21 45 16.5 u 448
2012-06-24 08:54:05 C 20 33 19.05 -21 41 03.5 18.5 c 704
2012-06-24 09:08:53 C 20 33 19.24 -21 41 00.8 18.9 c 704