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
2018-05-20 08:21:37 C 15 59 38.63 +09 47 33.2 U 703
2018-05-20 08:29:06 C 15 59 38.42 +09 47 34.7 U 703
2018-05-21 07:16:48 C 15 59 01.17 +09 54 11.2 U G96
2018-05-21 07:24:14 C 15 59 00.90 +09 54 13.3 U G96
2018-05-21 07:31:40 C 15 59 00.68 +09 54 15.6 U G96
2018-05-21 07:39:06 C 15 59 00.42 +09 54 18.1 U G96
2018-05-23 06:53:48 C 15 57 40.69 +10 06 20.6 U 703
2018-05-23 07:01:16 C 15 57 40.46 +10 06 22.9 U 703
2018-05-23 07:08:43 C 15 57 40.20 +10 06 24.3 U 703
2018-05-23 07:16:14 C 15 57 40.00 +10 06 25.5 U 703
2018-06-10 06:51:41 C 15 45 41.65 +09 58 24.2 U 703
2018-06-10 06:59:20 C 15 45 41.45 +09 58 22.6 U 703
2018-06-10 07:07:00 C 15 45 41.24 +09 58 19.2 U 703
2018-06-10 07:14:40 C 15 45 41.08 +09 58 17.6 U 703
2018-06-12 07:04:28 C 15 44 39.99 +09 42 55.6 U G96
2018-06-12 07:12:00 C 15 44 39.79 +09 42 53.2 U G96
2018-06-12 07:19:31 C 15 44 39.62 +09 42 50.0 U G96
2018-06-12 07:27:03 C 15 44 39.45 +09 42 47.8 U G96
2018-06-13 09:55:01 C 15 44 08.851 +09 33 03.13 U F51
2018-06-13 10:12:48 C 15 44 08.435 +09 32 56.14 U F51
2018-06-13 10:30:39 C 15 44 08.019 +09 32 49.10 U F51
2018-06-13 10:48:39 C 15 44 07.603 +09 32 42.04 U F51
2018-07-03 13:31:00 C 15 43 43.53 +04 04 56.1 q D29
2018-07-03 14:01:33 C 15 43 43.98 +04 04 27.1 q D29
2018-07-03 14:32:05 C 15 43 44.43 +04 03 58.8 q D29
2018-07-05 07:00:36 C 15 44 36.25 +03 25 19.3 U 703
2018-07-05 07:08:15 C 15 44 36.52 +03 25 12.0 U 703
2018-07-05 07:15:55 C 15 44 36.67 +03 25 04.3 U 703
2018-07-05 07:23:33 C 15 44 36.86 +03 24 56.9 U 703
2018-07-08 07:23:19 C 15 46 33.339 +02 12 48.15 U F52
2018-07-08 07:54:45 C 15 46 34.125 +02 12 15.67 U F52
2018-07-08 08:09:04 C 15 46 34.487 +02 12 00.92 U F52
2021-02-16 13:59:17 C 12 48 25.255 +05 43 33.32 U F51
2021-02-16 14:17:01 C 12 48 25.113 +05 43 39.89 U F51
2021-02-16 14:34:48 C 12 48 25.039 +05 43 46.25 U F51
2021-02-16 14:52:35 C 12 48 24.887 +05 43 52.68 U F51
2021-04-17 06:16:29 C 11 59 23.349 +16 41 49.04 U F51
2021-04-17 06:34:47 C 11 59 22.628 +16 41 53.68 U F51
2021-04-17 06:53:05 C 11 59 21.907 +16 41 58.44 U F51
2021-04-17 07:11:31 C 11 59 21.144 +16 42 03.20 U F51
2024-03-14 06:49:45 C 10 32 01.367 +17 18 31.10 V V00
2024-03-14 06:57:51 C 10 32 00.982 +17 18 34.60 V V00
2024-03-14 07:05:56 C 10 32 00.614 +17 18 36.97 V V00
2024-03-14 07:14:00 C 10 32 00.272 +17 18 39.89 V V00