518426 (2002 ON4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4035284667 ± 8.22e-08
Semi-major axis (a)2.1773236645 AU ± 6.73e-09
Inclination (i)10.46166996° ± 6.63e-06
Long. of Asc. Node (Ω)134.81928838° ± 1.49e-05
Arg. of Perihelion (ω)160.91421100° ± 3.11e-05
Mean Anomaly (M)96.33868774° ± 2.03e-05
Mean Motion (n)0.3067805255°/day ± 1.42e-09
Perihelion dist (q)1.29871158 AU ± 1.79e-07
Aphelion dist (Q)3.05593574 AU ± 1.79e-07
Orbital Period3.21280590 yr ± 1.49e-08
Physical Parameters
H (abs. magnitude)19.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.391″
Uncertainty0
Orbit TypeAmor
MOID0.287158 AU
Observations Used192
Oppositions15
Arc Total2002-2024
First Observation Used2002-07-09
Last Observation Used2024-03-14
Observations (194)
Date Type RA Dec Mag Band Observatory
2002-07-09 04:32:23 C 20 08 18.76 -00 56 05.5 o 644
2002-07-09 05:02:49 C 20 08 20.11 -00 56 36.1 o 644
2002-07-09 05:33:25 C 20 08 21.44 -00 57 06.8 o 644
2002-07-18 06:56:58 C 20 18 28.20 -05 11 56.9 17.8 c 704
2002-07-18 07:16:14 C 20 18 28.91 -05 12 21.9 17.7 c 704
2002-07-18 07:35:35 C 20 18 29.66 -05 12 47.7 18.0 c 704
2002-07-18 07:54:52 C 20 18 30.40 -05 13 13.0 18.0 c 704
2002-07-18 22:14:38 C 20 19 10.46 -05 32 19.1 d 946
2002-07-18 22:19:30 C 20 19 10.34 -05 32 27.5 c 611
2002-07-18 22:23:28 C 20 19 10.52 -05 32 32.8 c 611
2002-07-18 22:27:21 C 20 19 10.71 -05 32 37.7 c 611
2002-07-18 23:01:25 C 20 19 12.02 -05 33 22.6 c 587
2002-07-18 23:03:01 C 20 19 12.10 -05 33 24.1 c 587
2002-07-18 23:04:38 C 20 19 12.17 -05 33 26.4 c 587
2002-07-18 23:06:16 C 20 19 12.25 -05 33 29.2 c 587
2002-07-18 23:14:55 C 20 19 12.81 -05 33 40.5 d 946
2002-07-18 23:41:54 C 20 19 13.93 -05 34 15.1 c 952
2002-07-18 23:52:24 C 20 19 14.33 -05 34 28.2 c 952
2002-07-19 00:06:32 C 20 19 14.91 -05 34 47.2 c 952
2002-07-19 00:15:55 C 20 19 15.21 -05 34 58.3 c 952
2002-07-19 01:37:11 C 20 19 19.99 -05 36 10.2 c 844
2002-07-19 01:45:28 C 20 19 20.23 -05 36 20.7 c 844
2002-07-19 01:53:56 C 20 19 20.60 -05 36 32.6 c 844
2002-07-19 06:57:02 C 20 19 33.99 -05 43 55.4 c 670
2002-07-19 07:00:35 C 20 19 34.14 -05 44 01.1 c 670
2002-07-19 08:07:04 C 20 19 36.00 -05 45 32.2 d 734
2002-07-19 08:13:12 C 20 19 36.24 -05 45 40.4 d 734
2002-07-19 08:16:09 C 20 19 36.41 -05 45 44.5 d 734
2002-07-19 15:22:54 C 20 19 55.90 -05 54 47.3 m 413
2002-07-19 15:25:11 C 20 19 55.99 -05 54 50.5 m 413
2002-07-19 15:27:29 C 20 19 56.07 -05 54 53.4 m 413
2002-07-19 22:13:50 C 20 20 15.65 -06 04 38.0 d 176
2002-07-19 22:15:30 C 20 20 15.73 -06 04 40.4 d 176
2002-07-19 22:17:50 C 20 20 15.83 -06 04 43.6 d 176
2002-07-19 22:21:50 C 20 20 16.01 -06 04 49.3 d 176
2002-07-19 22:25:51 C 20 20 16.19 -06 04 54.9 d 176
2002-07-20 21:51:46 C 20 21 19.48 -06 37 09.5 a 118
2002-07-20 21:54:32 C 20 21 19.78 -06 37 12.6 c 151
2002-07-20 21:56:28 C 20 21 19.86 -06 37 16.0 c 151
2002-07-20 21:58:29 C 20 21 19.76 -06 37 19.7 a 118
2002-07-20 22:01:05 C 20 21 19.86 -06 37 23.4 a 118
2002-07-20 22:05:18 C 20 21 20.19 -06 37 27.2 c 151
2002-07-20 22:10:37 C 20 21 20.38 -06 37 35.9 c 151
2002-07-20 23:07:45 C 20 21 22.93 -06 38 55.6 d J95
2002-07-20 23:10:25 C 20 21 23.07 -06 38 59.7 d J95
2002-07-20 23:12:40 C 20 21 23.13 -06 39 02.1 d J95
2002-07-20 23:17:59 C 20 21 23.21 -06 39 09.1 d J95
2002-07-21 14:36:44 C 20 22 04.30 -06 59 52.5 m 413
2002-07-21 14:38:42 C 20 22 04.37 -06 59 55.3 m 413
2002-07-21 14:40:40 C 20 22 04.45 -06 59 58.0 m 413