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
2016-06-03 07:06:19 C 13 09 48.178 -39 29 50.50 L F51
2018-11-19 09:42:54 C 03 37 59.04 +56 00 16.9 U I41
2018-11-19 09:45:01 C 03 37 58.90 +56 00 15.3 U I41
2018-11-19 10:41:53 C 03 37 55.18 +55 59 31.6 U I41
2018-11-19 10:47:47 C 03 37 54.80 +55 59 27.0 U I41
2018-11-30 10:14:07 C 03 22 12.04 +51 27 19.2 U T05
2018-11-30 10:31:18 C 03 22 11.00 +51 26 56.1 U T05
2018-11-30 10:31:58 C 03 22 10.96 +51 26 55.3 U T05
2018-11-30 10:45:25 C 03 22 10.15 +51 26 37.0 U T05
2018-12-09 03:38:43 C 03 12 35.71 +45 57 31.1 V G96
2018-12-09 03:46:47 C 03 12 35.38 +45 57 16.7 V G96
2018-12-09 03:54:50 C 03 12 35.05 +45 57 02.4 V G96
2018-12-09 04:02:56 C 03 12 34.72 +45 56 47.9 V G96
2018-12-10 09:27:41 C 03 11 34.40 +45 03 02.5 U T08
2018-12-10 09:40:33 C 03 11 33.95 +45 02 37.8 U T08
2018-12-10 09:41:53 C 03 11 33.77 +45 02 35.8 U T08
2018-12-10 10:01:07 C 03 11 33.15 +45 01 59.1 U T08
2018-12-10 10:09:26 C 03 11 32.85 +45 01 45.2 U T08
2018-12-10 10:11:27 C 03 11 32.73 +45 01 40.2 U T08
2018-12-10 10:28:48 C 03 11 32.08 +45 01 08.0 U T08
2018-12-15 05:05:20 C 03 08 42.10 +41 16 25.6 V 703
2018-12-15 05:11:11 C 03 08 41.97 +41 16 13.2 V 703
2018-12-15 05:16:50 C 03 08 41.95 +41 16 00.3 V 703
2018-12-15 05:22:22 C 03 08 41.84 +41 15 49.9 V 703
2018-12-15 08:21:52 C 03 08 38.583 +41 09 45.06 U F51
2018-12-15 08:38:17 C 03 08 38.199 +41 09 11.14 U F51
2018-12-15 08:55:21 C 03 08 37.796 +41 08 35.92 U F51
2018-12-15 09:11:21 C 03 08 37.423 +41 08 02.81 U F51
2018-12-19 02:50:59 C 03 07 36.58 +37 58 19.5 U I41
2018-12-19 04:34:45 C 03 07 35.40 +37 54 36.2 U I41
2018-12-19 04:40:10 C 03 07 35.38 +37 54 24.5 U I41
2018-12-20 04:58:14 C 03 07 29.24 +37 01 27.1 U I41
2018-12-20 05:28:35 C 03 07 29.00 +37 00 20.7 U I41
2018-12-25 21:05:31 C 03 08 15.15 +31 57 27.3 q 160
2018-12-25 21:09:22 C 03 08 15.17 +31 57 18.8 q 160
2018-12-25 21:13:16 C 03 08 15.21 +31 57 09.9 q 160
2018-12-26 20:58:39 C 03 08 36.78 +31 03 25.8 q 160
2018-12-26 21:02:36 C 03 08 36.82 +31 03 17.1 q 160
2018-12-26 21:06:36 C 03 08 36.86 +31 03 08.0 q 160
2018-12-27 08:30:18 C 03 08 48.38 +30 37 27.2 V T05
2018-12-27 08:44:26 C 03 08 48.79 +30 36 53.6 V T05
2018-12-27 08:46:24 C 03 08 48.59 +30 36 50.3 V T05
2018-12-27 08:47:45 C 03 08 48.60 +30 36 47.2 V T05
2018-12-27 08:48:25 C 03 08 48.59 +30 36 46.0 V T05
2018-12-27 09:10:44 C 03 08 48.89 +30 35 55.4 V T05
2018-12-31 08:24:27 C 03 11 00.89 +27 01 08.0 V T05
2018-12-31 08:44:03 C 03 11 01.38 +27 00 23.3 V T05
2018-12-31 08:44:42 C 03 11 01.38 +27 00 22.1 V T05
2018-12-31 08:56:21 C 03 11 01.65 +26 59 55.4 V T05
2019-01-01 19:50:51 C 03 12 05.26 +25 41 54.5 q 160