450142 (1998 XN2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5418061766 ± 2.34e-08
Semi-major axis (a)1.9984244916 AU ± 2.48e-10
Inclination (i)1.78991254° ± 3.28e-06
Long. of Asc. Node (Ω)255.18791782° ± 2.17e-05
Arg. of Perihelion (ω)127.00550318° ± 2.47e-05
Mean Anomaly (M)205.72890785° ± 3.43e-06
Mean Motion (n)0.3488836850°/day ± 6.50e-11
Perihelion dist (q)0.91566576 AU ± 4.68e-08
Aphelion dist (Q)3.08118322 AU ± 4.68e-08
Orbital Period2.82508562 yr ± 5.26e-10
Physical Parameters
H (abs. magnitude)19.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.008033 AU
Observations Used346
Oppositions14
Arc Total1998-2019
First Observation Used1998-12-09
Last Observation Used2019-01-16
Observations (413)
Date Type RA Dec Mag Band Observatory
2002-01-12 10:33:04 C 10 32 22.90 +06 08 32.2 d 291
2002-01-12 10:42:21 C 10 32 22.47 +06 08 34.0 d 291
2012-06-15 06:39:15 C 16 12 51.98 -21 15 01.7 o 291
2012-06-15 06:46:03 C 16 12 51.45 -21 14 59.1 o 291
2013-01-20 02:12:18 C 00 09 18.87 +01 27 14.8 o 291
2013-01-20 02:23:51 C 00 09 21.31 +01 27 31.7 o 291
2015-08-02 22:14:14 C 18 08 01.92 -18 45 49.9 q 204
2015-08-02 22:30:40 C 18 08 00.32 -18 45 46.8 q 204
2015-09-03 04:02:58 C 17 16 45.11 -16 01 09.3 o 291
2015-09-03 04:19:44 C 17 16 44.31 -16 01 04.8 o 291
2015-09-18 02:21:53 C 17 02 37.23 -14 11 18.8 o 291
2015-09-18 02:27:55 C 17 02 36.85 -14 11 16.3 o 291
2015-09-18 02:33:57 C 17 02 36.55 -14 11 14.3 o 291
2015-11-11 11:42:54 C 10 19 34.90 +16 06 22.4 q 703
2015-11-11 11:52:22 C 10 19 32.28 +16 06 26.1 q 703
2015-11-11 12:01:49 C 10 19 29.70 +16 06 27.8 q 703
2015-11-11 12:11:15 C 10 19 27.07 +16 06 32.7 q 703
2015-11-14 11:41:05 C 10 02 29.75 +16 21 19.0 R G45
2015-11-14 11:41:10 C 10 02 29.73 +16 21 19.2 R G45
2015-11-14 11:49:05 C 10 02 27.89 +16 21 20.3 R G45
2015-11-14 11:57:00 C 10 02 26.04 +16 21 22.1 R G45
2015-11-14 11:57:05 C 10 02 26.03 +16 21 21.8 R G45
2015-11-14 12:04:37 C 10 02 24.27 +16 21 23.2 R G45
2015-11-14 12:12:48 C 10 02 22.39 +16 21 24.3 R G45
2015-11-14 12:21:38 C 10 02 20.27 +16 21 26.1 R G45
2015-11-14 12:29:44 C 10 02 18.39 +16 21 27.6 R G45
2015-11-14 12:38:05 C 10 02 16.44 +16 21 29.5 R G45
2015-11-16 23:13:45 S 09 50 20.87 +16 29 00.7 L C51
2015-11-17 02:22:37 S 09 49 44.92 +16 29 18.6 L C51
2015-11-17 03:57:03 S 09 49 27.06 +16 29 26.8 L C51
2015-11-17 07:05:55 S 09 48 51.50 +16 29 44.1 L C51
2015-11-18 11:37:29 C 09 43 41.58 +16 31 38.1 R G45
2015-11-18 11:45:29 C 09 43 40.05 +16 31 38.8 R G45
2015-11-18 11:53:13 C 09 43 38.55 +16 31 39.5 R G45
2015-11-18 12:01:01 C 09 43 37.05 +16 31 40.3 R G45
2015-11-18 12:17:14 C 09 43 33.92 +16 31 41.7 R G45
2015-11-18 12:25:31 C 09 43 32.31 +16 31 42.4 R G45
2015-11-18 12:33:28 C 09 43 30.78 +16 31 43.0 R G45
2015-11-18 12:41:46 C 09 43 29.18 +16 31 43.7 R G45
2015-11-20 11:46:32 C 09 35 29.88 +16 34 39.6 R G45
2015-11-20 11:54:15 C 09 35 28.52 +16 34 40.1 R G45
2015-11-20 12:02:32 C 09 35 27.03 +16 34 40.6 R G45
2015-11-20 12:10:50 C 09 35 25.56 +16 34 41.1 R G45
2015-11-20 12:18:47 C 09 35 24.15 +16 34 41.9 R G45
2015-11-20 12:26:47 C 09 35 22.70 +16 34 42.3 R G45
2015-11-20 12:34:36 C 09 35 21.32 +16 34 42.4 R G45
2015-11-22 11:35:13 C 09 27 58.62 +16 36 59.2 R G45
2015-11-22 11:43:10 C 09 27 57.29 +16 36 59.6 R G45
2015-11-22 11:51:08 C 09 27 55.97 +16 37 00.2 R G45
2015-11-22 11:59:26 C 09 27 54.58 +16 37 00.7 R G45