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
2002-01-11 15:53:33 C 10 56 23.04 -14 08 44.1 c 322
2002-01-11 16:19:56 C 10 56 25.53 -14 09 27.0 c 322
2002-01-11 16:38:53 C 10 56 27.39 -14 09 58.1 c 322
2002-01-11 17:18:53 C 10 56 31.09 -14 11 01.1 c 322
2002-01-13 09:15:54 C 11 00 27.19 -15 16 22.5 17.3 c 704
2002-01-13 09:40:13 C 11 00 29.55 -15 17 03.1 17.6 c 704
2002-01-13 10:03:55 C 11 00 31.84 -15 17 43.1 17.6 c 704
2002-01-13 10:27:58 C 11 00 34.17 -15 18 22.5 17.6 c 704
2002-01-13 10:50:07 C 11 00 36.28 -15 18 58.7 17.6 c 704
2002-01-14 09:32:23 C 11 02 54.44 -15 56 59.0 c 699
2002-01-14 10:00:32 C 11 02 57.22 -15 57 46.9 c 699
2002-01-14 10:28:45 C 11 03 00.01 -15 58 34.5 c 699
2002-01-14 11:36:37 C 11 03 06.67 -16 00 29.0 c 699
2002-01-17 06:58:16 C 11 10 13.20 -17 57 30.8 452
2002-01-17 07:08:00 C 11 10 14.22 -17 57 48.4 452
2002-01-17 07:11:47 C 11 10 14.56 -17 57 54.9 452
2002-01-17 07:19:20 C 11 10 15.38 -17 58 08.9 452
2002-01-17 09:50:44 C 11 10 31.88 -18 02 42.4 c 670
2002-01-17 10:57:10 C 11 10 38.81 -18 04 40.3 c 670
2002-01-17 11:58:08 C 11 10 45.21 -18 06 29.9 c 670
2002-01-17 16:06:59 C 11 11 12.87 -18 13 40.0 m 428
2002-01-17 16:11:21 C 11 11 13.30 -18 13 48.4 m 428
2002-01-17 16:15:43 C 11 11 13.79 -18 13 56.2 m 428
2002-01-21 10:21:54 C 11 21 34.46 -21 02 07.5 c 670
2002-01-21 12:28:09 C 11 21 49.18 -21 06 11.0 c 670
2002-01-22 15:34:13 C 11 25 09.47 -21 59 05.9 352
2002-01-22 15:39:13 C 11 25 10.04 -21 59 15.1 352
2002-01-22 15:44:14 C 11 25 10.68 -21 59 25.5 352
2002-01-25 09:49:06 C 11 33 44.57 -24 13 09.4 c 670
2002-01-25 11:43:37 C 11 33 59.44 -24 17 08.7 c 670
2002-01-25 16:14:32 C 11 34 37.33 -24 26 09.5 c 322
2002-01-25 16:20:46 C 11 34 38.18 -24 26 24.3 c 322
2002-01-25 16:50:23 C 11 34 42.05 -24 27 25.6 c 322
2002-01-25 16:54:07 C 11 34 42.59 -24 27 32.7 c 322
2002-02-02 16:13:46 C 12 04 41.87 -31 32 18.0 c 322
2002-02-02 16:25:50 C 12 04 44.06 -31 32 46.3 c 322
2002-02-02 16:49:35 C 12 04 48.20 -31 33 42.7 c 322
2002-02-08 17:01:16 C 12 34 21.53 -37 20 50.0 m 428
2002-02-08 17:04:38 C 12 34 22.25 -37 20 58.3 m 428
2002-02-08 17:08:03 C 12 34 23.08 -37 21 06.2 m 428
2002-02-10 15:58:01 C 12 45 46.56 -39 15 29.5 c 322
2002-02-10 16:18:54 C 12 45 51.62 -39 16 21.0 c 322
2002-02-10 16:44:11 C 12 45 58.02 -39 17 24.0 c 322
2002-02-10 16:45:59 C 12 45 57.49 -39 17 33.4 m 428
2002-02-19 12:22:23 C 13 51 55.386 -47 22 48.99 e 422
2002-02-19 12:23:21 C 13 51 55.737 -47 22 51.02 e 422
2002-02-19 12:24:01 C 13 51 55.997 -47 22 52.40 e 422
2002-02-19 15:38:12 C 13 53 08.97 -47 29 28.0 c 322
2002-02-19 16:02:46 C 13 53 18.33 -47 30 22.0 c 322
2002-03-05 18:59:52 C 16 29 29.486 -52 59 56.22 e 413