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
2002-03-05 19:01:21 C 16 29 30.182 -52 59 55.81 e 413
2002-03-05 19:02:50 C 16 29 30.892 -52 59 55.42 e 413
2002-03-06 18:53:18 C 16 41 08.37 -52 50 46.3 e 413
2002-03-06 18:54:50 C 16 41 09.10 -52 50 45.7 e 413
2002-03-07 19:14:19 C 16 52 48.887 -52 37 05.91 e 413
2002-03-07 19:15:47 C 16 52 49.564 -52 37 05.00 e 413
2002-03-15 16:40:26 C 18 13 12.60 -48 48 01.8 e 422
2002-03-15 16:41:11 C 18 13 12.94 -48 48 01.0 e 422
2002-03-26 19:27:16 C 19 30 42.145 -40 16 39.40 e 413
2002-03-26 19:28:43 C 19 30 42.467 -40 16 36.59 e 413
2002-04-02 19:32:34 C 20 03 41.247 -34 39 05.83 e 413
2002-04-23 17:37:43 C 21 05 07.414 -20 11 13.32 e 413
2002-04-23 17:39:21 C 21 05 07.552 -20 11 10.91 e 413
2002-04-23 17:40:59 C 21 05 07.681 -20 11 08.55 e 413
2002-05-28 13:52:55 C 21 46 09.52 -04 12 27.5 18.4 c 608
2002-05-28 14:08:26 C 21 46 09.65 -04 12 14.6 18.3 c 608
2002-05-28 14:24:04 C 21 46 09.80 -04 12 01.5 18.5 c 608
2002-06-07 14:03:31 C 21 46 39.98 -01 10 42.3 18.8 c 608
2002-06-07 14:18:48 C 21 46 39.76 -01 10 32.0 18.8 c 608
2002-06-07 14:34:47 C 21 46 39.54 -01 10 21.9 18.7 c 608
2002-06-10 09:11:37 C 21 45 51.99 -00 27 29.0 17.4 c 704
2002-06-10 09:31:39 C 21 45 51.61 -00 27 16.7 17.8 c 704
2002-06-10 09:51:40 C 21 45 51.26 -00 27 04.7 17.5 c 704
2002-06-10 10:11:41 C 21 45 50.91 -00 26 52.4 18.4 c 704
2002-06-14 08:59:41 C 21 43 59.91 +00 28 17.9 17.3 c 704
2002-06-14 09:19:18 C 21 43 59.38 +00 28 28.8 17.4 c 704
2002-06-14 09:38:58 C 21 43 58.85 +00 28 39.7 18.0 c 704
2002-06-14 09:58:36 C 21 43 58.33 +00 28 50.2 17.7 c 704
2002-06-14 10:18:14 C 21 43 57.77 +00 29 00.5 17.6 c 704
2002-06-16 01:21:24 C 21 42 57.81 +00 49 36.4 941
2002-06-16 01:24:08 C 21 42 57.76 +00 49 37.9 941
2002-06-16 01:26:45 C 21 42 57.62 +00 49 39.3 941
2002-06-16 01:29:28 C 21 42 57.49 +00 49 40.2 941
2002-06-16 01:32:13 C 21 42 57.47 +00 49 41.9 941
2002-06-16 01:39:10 C 21 42 57.20 +00 49 45.2 941
2002-06-16 01:44:43 C 21 42 57.08 +00 49 47.8 941
2002-06-23 00:51:47 C 21 37 08.50 +02 03 49.1 941
2002-06-23 00:56:32 C 21 37 08.26 +02 03 50.9 941
2002-06-23 01:02:41 C 21 37 08.04 +02 03 53.1 941
2002-06-23 01:08:00 C 21 37 07.77 +02 03 54.5 941
2002-06-23 01:13:34 C 21 37 07.49 +02 03 57.7 941
2002-06-24 12:14:17 C 21 35 36.86 +02 16 30.3 17.6 c 608
2002-06-24 12:29:09 C 21 35 36.15 +02 16 35.0 17.8 c 608
2002-06-24 12:43:57 C 21 35 35.41 +02 16 40.4 17.8 c 608
2002-06-29 00:23:54 C 21 30 21.42 +02 48 20.7 d 176
2002-06-29 00:27:59 C 21 30 21.20 +02 48 21.8 d 176
2002-06-29 00:35:54 C 21 30 20.76 +02 48 23.9 d 176
2002-06-29 00:39:54 C 21 30 20.54 +02 48 24.9 d 176
2002-06-29 00:43:54 C 21 30 20.32 +02 48 26.0 d 176
2002-07-04 08:56:55 C 21 23 04.39 +03 12 46.2 m 683