450238 (2002 XN40)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4267086773 ± 5.46e-08
Semi-major axis (a)2.1701461908 AU ± 2.73e-09
Inclination (i)25.61813176° ± 8.45e-06
Long. of Asc. Node (Ω)270.95338869° ± 8.19e-06
Arg. of Perihelion (ω)216.51208454° ± 2.16e-05
Mean Anomaly (M)38.26754000° ± 9.08e-06
Mean Motion (n)0.3083037377°/day ± 5.81e-10
Perihelion dist (q)1.24412598 AU ± 1.18e-07
Aphelion dist (Q)3.09616640 AU ± 1.19e-07
Orbital Period3.19693264 yr ± 6.03e-09
Physical Parameters
H (abs. magnitude)18.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.371″
Uncertainty0
Orbit TypeAmor
MOID0.311619 AU
Observations Used252
Oppositions15
Arc Total2002-2024
First Observation Used2002-12-11
Last Observation Used2024-10-27
Observations (264)
Date Type RA Dec Mag Band Observatory
2015-12-18 08:21:55 C 11 31 02.72 -22 11 14.8 u 807
2015-12-18 08:24:38 C 11 31 03.00 -22 11 20.4 u 807
2015-12-18 08:27:21 C 11 31 03.28 -22 11 25.7 u 807
2015-12-18 08:29:43 C 11 31 03.51 -22 11 30.2 u 807
2015-12-31 14:41:58 C 12 03 05.262 -32 18 54.97 L F51
2015-12-31 15:34:43 C 12 03 10.324 -32 20 31.04 L F51
2015-12-31 15:48:14 C 12 03 11.620 -32 20 55.41 L F51
2016-01-16 08:46:12 C 12 39 40.48 -42 48 27.1 u 807
2016-01-16 08:48:34 C 12 39 40.70 -42 48 30.8 u 807
2016-01-16 08:51:17 C 12 39 40.93 -42 48 34.9 u 807
2016-01-16 08:53:40 C 12 39 41.14 -42 48 38.6 u 807
2016-01-16 08:56:34 C 12 39 41.41 -42 48 42.9 u 807
2016-01-19 15:14:30 C 12 46 56.485 -44 44 09.81 L F51
2016-01-19 15:15:27 C 12 46 56.574 -44 44 11.15 L F51
2016-01-19 15:25:42 C 12 46 57.471 -44 44 25.89 L F51
2016-01-19 15:26:38 C 12 46 57.551 -44 44 27.27 L F51
2016-01-19 15:36:57 C 12 46 58.457 -44 44 41.93 L F51
2016-01-19 15:37:52 C 12 46 58.542 -44 44 43.36 L F51
2016-01-19 15:48:09 C 12 46 59.438 -44 44 58.15 L F51
2016-01-19 15:49:05 C 12 46 59.520 -44 44 59.49 L F51
2016-01-22 04:48:03 S 12 52 32.102 -46 10 52.07 L C51
2016-01-22 07:56:44 S 12 52 49.07 -46 15 12.9 L C51
2016-01-22 11:05:36 S 12 53 06.05 -46 19 33.8 L C51
2016-01-22 14:14:28 S 12 53 23.04 -46 23 53.8 L C51
2016-01-22 17:23:21 S 12 53 39.99 -46 28 13.2 L C51
2016-01-22 20:32:02 S 12 53 56.902 -46 32 31.99 L C51
2016-01-22 23:40:54 S 12 54 13.81 -46 36 50.6 L C51
2016-01-23 01:15:20 S 12 54 22.28 -46 38 59.8 L C51
2016-01-23 02:49:46 S 12 54 30.76 -46 41 08.5 L C51
2016-01-23 04:24:12 S 12 54 39.19 -46 43 17.5 L C51
2016-01-23 05:58:27 S 12 54 47.60 -46 45 25.4 L C51
2016-01-23 05:58:37 S 12 54 47.62 -46 45 26.0 L C51
2016-01-23 07:32:53 S 12 54 56.03 -46 47 34.5 L C51
2016-01-23 09:07:19 S 12 55 04.48 -46 49 42.4 L C51
2016-01-23 10:41:45 S 12 55 12.91 -46 51 51.1 L C51
2016-01-23 12:16:11 S 12 55 21.358 -46 53 59.71 L C51
2016-01-23 13:50:37 S 12 55 29.72 -46 56 07.0 L C51
2016-01-23 15:25:03 S 12 55 38.25 -46 58 14.9 L C51
2016-01-23 16:59:29 S 12 55 46.56 -47 00 22.8 L C51
2016-01-23 18:33:44 S 12 55 54.94 -47 02 30.3 L C51
2016-01-23 20:08:10 S 12 56 03.33 -47 04 37.8 L C51
2016-01-23 21:42:36 S 12 56 11.74 -47 06 45.1 L C51
2016-01-24 02:25:54 S 12 56 36.92 -47 13 05.8 L C51
2016-01-24 05:34:35 S 12 56 53.64 -47 17 19.8 L C51
2016-01-24 08:43:28 S 12 57 10.37 -47 21 32.9 L C51
2016-01-24 11:52:20 S 12 57 27.11 -47 25 45.3 L C51
2016-01-24 15:01:12 S 12 57 43.77 -47 29 57.1 L C51
2016-01-25 03:36:29 S 12 58 50.374 -47 46 39.72 L C51
2016-01-25 06:45:10 S 12 59 06.972 -47 50 48.70 L C51
2016-06-03 06:53:19 C 13 09 47.771 -39 30 03.24 L F51