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
2002-12-15 06:23:07 C 02 56 46.90 +41 07 31.8 19.3 c 704
2002-12-15 06:45:19 C 02 56 46.53 +41 06 47.7 18.8 c 704
2002-12-20 03:23:52 C 02 56 20.17 +37 06 38.5 c 448
2002-12-20 03:31:43 C 02 56 20.17 +37 06 22.0 c 448
2002-12-20 03:42:38 C 02 56 20.12 +37 05 59.0 c 448
2002-12-27 04:56:14 C 02 58 36.02 +31 02 33.9 c 448
2002-12-27 05:12:23 C 02 58 36.31 +31 01 58.9 c 448
2002-12-27 05:19:37 C 02 58 36.46 +31 01 43.0 c 448
2003-01-03 20:38:13 C 03 04 37.94 +24 30 40.0 d 118
2003-01-03 20:40:39 C 03 04 38.03 +24 30 34.7 d 118
2003-01-03 20:47:26 C 03 04 38.22 +24 30 20.7 d 118
2003-01-05 03:38:07 C 03 05 59.01 +23 26 37.4 19.4 c 704
2003-01-05 04:00:08 C 03 05 59.88 +23 25 51.3 19.3 c 704
2003-01-05 04:21:59 C 03 06 00.74 +23 25 07.0 19.8 c 704
2003-01-05 04:44:05 C 03 06 01.62 +23 24 21.6 19.7 c 704
2003-01-05 05:06:19 C 03 06 02.55 +23 23 35.1 19.5 c 704
2003-01-08 18:14:50 C 03 10 12.82 +20 32 02.7 c 246
2003-01-08 18:16:07 C 03 10 12.89 +20 31 59.8 c 246
2003-01-08 18:17:28 C 03 10 12.95 +20 31 57.4 c 246
2003-01-08 18:18:40 C 03 10 13.00 +20 31 55.1 c 246
2003-01-20 18:08:55 C 03 28 23.24 +11 54 07.8 c 246
2003-01-20 18:10:01 C 03 28 23.25 +11 54 05.2 c 246
2003-01-20 18:10:56 C 03 28 23.39 +11 54 04.7 c 246
2003-01-20 18:13:33 C 03 28 23.53 +11 54 00.6 c 246
2003-01-20 18:16:04 C 03 28 23.69 +11 53 56.1 c 246
2003-01-26 02:26:55 C 03 38 08.34 +08 37 37.3 20.5 c 644
2003-01-26 02:57:08 C 03 38 10.63 +08 36 53.3 20.3 c 644
2003-01-26 03:27:28 C 03 38 12.92 +08 36 09.9 20.4 c 644
2003-03-09 02:39:33 C 05 16 48.60 -07 07 58.5 c 711
2003-03-09 02:51:57 C 05 16 50.00 -07 08 05.1 c 711
2003-03-09 03:04:21 C 05 16 51.28 -07 08 11.8 c 711
2003-03-09 08:59:34 C 05 17 31.14 -07 11 18.4 c 474
2003-03-09 09:01:55 C 05 17 31.36 -07 11 19.6 c 474
2003-04-23 09:22:05 C 07 30 17.55 -13 59 14.7 e 413
2003-04-23 09:29:32 C 07 30 18.50 -13 59 16.3 e 413
2005-09-24 18:25:25 C 23 35 17.34 +45 04 12.9 r 540
2005-09-24 18:43:13 C 23 35 16.26 +45 04 10.6 r 540
2005-09-25 18:19:02 C 23 33 48.06 +45 01 46.7 r 540
2005-09-25 18:26:53 C 23 33 47.55 +45 01 46.3 r 540
2008-10-10 01:38:49 C 21 39 33.05 +26 21 56.1 o H55
2008-10-10 01:58:57 C 21 39 32.61 +26 21 46.4 o H55
2015-10-02 10:43:28 C 07 58 53.67 +29 31 13.6 o 291
2015-10-02 10:49:08 C 07 58 54.39 +29 31 08.4 o 291
2015-10-02 10:54:48 C 07 58 55.15 +29 31 03.0 o 291
2015-11-22 08:08:27 C 10 25 30.74 -01 09 04.9 u 807
2015-11-22 08:11:57 C 10 25 31.11 -01 09 11.9 u 807
2015-11-22 08:15:37 C 10 25 31.52 -01 09 19.5 u 807
2015-11-22 08:18:55 C 10 25 31.88 -01 09 26.5 u 807
2015-11-22 08:22:33 C 10 25 32.26 -01 09 33.5 u 807
2015-12-18 08:19:22 C 11 31 02.47 -22 11 09.5 u 807