163051 (2001 YJ4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5665198360 ± 1.31e-08
Semi-major axis (a)2.2754742291 AU ± 1.51e-09
Inclination (i)9.28086117° ± 2.33e-06
Long. of Asc. Node (Ω)247.76892648° ± 1.39e-05
Arg. of Perihelion (ω)322.38895330° ± 1.41e-05
Mean Anomaly (M)323.56866412° ± 1.83e-06
Mean Motion (n)0.2871470734°/day ± 2.85e-10
Perihelion dist (q)0.98637294 AU ± 2.98e-08
Aphelion dist (Q)3.56457552 AU ± 2.99e-08
Orbital Period3.43247894 yr ± 3.41e-09
Physical Parameters
H (abs. magnitude)16.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.343″
Uncertainty0
Orbit TypeApollo
MOID0.032094 AU
Observations Used1129
Oppositions34
Arc Total1978-2026
First Observation Used1978-02-05
Last Observation Used2026-01-11
Observations (1362)
Date Type RA Dec Mag Band Observatory
2002-07-04 09:12:59 C 21 23 03.34 +03 12 47.0 m 683
2002-07-04 09:32:17 C 21 23 02.11 +03 12 47.2 m 683
2002-07-05 08:49:46 C 21 21 36.78 +03 15 40.2 m 683
2002-07-05 09:05:51 C 21 21 35.61 +03 15 41.2 m 683
2002-07-05 09:25:09 C 21 21 34.46 +03 15 43.5 m 683
2002-07-06 08:45:49 C 21 20 07.38 +03 18 03.7 m 683
2002-07-06 09:01:54 C 21 20 06.33 +03 18 03.0 m 683
2002-07-06 09:21:11 C 21 20 05.04 +03 18 05.1 m 683
2002-07-07 08:38:40 C 21 18 36.36 +03 19 56.0 m 683
2002-07-07 09:14:04 C 21 18 34.00 +03 19 58.4 m 683
2002-07-07 22:17:49 C 21 17 44.02 +03 20 43.1 c 151
2002-07-07 22:21:31 C 21 17 43.79 +03 20 43.0 c 151
2002-07-07 22:42:55 C 21 17 42.37 +03 20 44.4 c 151
2002-07-07 22:48:59 C 21 17 41.92 +03 20 44.3 c 151
2002-07-09 09:11:34 C 21 15 27.16 +03 22 09.8 16.7 c 644
2002-07-09 09:30:17 C 21 15 25.86 +03 22 10.3 16.8 c 644
2002-07-09 09:53:02 C 21 15 24.28 +03 22 10.7 16.8 c 644
2002-07-11 07:40:03 C 21 12 21.73 +03 22 21.4 17.9 c 704
2002-07-11 07:58:55 C 21 12 20.39 +03 22 21.3 18.0 c 704
2002-07-11 08:17:48 C 21 12 19.07 +03 22 21.1 17.3 c 704
2002-07-12 23:32:15 C 21 09 39.53 +03 21 01.9 c 560
2002-07-12 23:43:22 C 21 09 38.75 +03 21 01.7 c 560
2002-07-12 23:45:53 C 21 09 38.59 +03 21 01.9 c 560
2002-07-14 23:13:50 C 21 06 23.13 +03 17 46.1 i 071
2002-07-14 23:20:25 C 21 06 22.66 +03 17 45.5 i 071
2002-07-14 23:25:09 C 21 06 22.33 +03 17 45.1 i 071
2002-07-15 07:52:48 C 21 05 47.29 +03 17 01.0 c 711
2002-07-15 07:58:33 C 21 05 46.89 +03 17 00.1 c 711
2002-07-18 22:46:48 C 20 59 46.95 +03 05 46.9 c 127
2002-07-18 22:55:23 C 20 59 46.31 +03 05 45.7 c 127
2002-07-18 23:00:55 C 20 59 45.94 +03 05 44.8 c 127
2002-07-19 20:42:16 C 20 58 16.53 +03 02 06.8 c 151
2002-07-19 20:46:22 C 20 58 16.22 +03 02 06.6 c 151
2002-07-19 20:49:56 C 20 58 15.99 +03 02 05.6 c 151
2002-07-19 20:58:50 C 20 58 15.37 +03 02 04.5 c 151
2002-07-19 21:55:45 C 20 58 11.25 +03 01 53.8 d 611
2002-07-19 22:00:38 C 20 58 10.97 +03 01 52.9 d 611
2002-07-19 22:03:38 C 20 58 10.73 +03 01 51.9 d 611
2002-07-19 23:08:53 C 20 58 06.04 +03 01 40.7 d 557
2002-07-19 23:12:06 C 20 58 05.82 +03 01 40.2 d 557
2002-07-19 23:15:17 C 20 58 05.58 +03 01 39.5 d 557
2002-07-19 23:18:29 C 20 58 05.39 +03 01 39.2 d 557
2002-07-19 23:21:40 C 20 58 05.14 +03 01 38.1 d 557
2002-07-20 22:41:46 C 20 56 29.06 +02 57 20.0 c 468
2002-07-20 22:48:01 C 20 56 28.63 +02 57 18.7 c 468
2002-07-20 22:50:51 C 20 56 28.43 +02 57 18.3 c 468
2002-07-27 22:15:56 C 20 45 19.23 +02 16 22.4 c 113
2002-07-27 22:18:50 C 20 45 19.04 +02 16 21.3 c 113
2002-07-27 22:21:12 C 20 45 18.87 +02 16 20.7 c 113
2002-07-27 22:23:38 C 20 45 18.72 +02 16 19.9 c 113