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
2019-03-29 19:57:19 C 06 11 55.64 +08 33 33.7 q 160
2019-03-30 05:35:14 C 06 12 34.82 +08 33 59.8 V T08
2019-03-30 05:46:35 C 06 12 35.60 +08 34 00.3 V T08
2019-03-30 05:57:52 C 06 12 36.32 +08 34 00.9 V T08
2019-03-30 06:09:55 C 06 12 37.08 +08 34 01.4 V T08
2019-04-01 15:49:02 C 06 16 39.98 +08 36 01.0 q C97
2019-04-01 15:53:25 C 06 16 40.28 +08 36 01.1 q C97
2019-04-01 15:55:36 C 06 16 40.42 +08 36 01.5 q C97
2019-04-03 05:28:46 C 06 19 27.06 +08 37 09.0 V T08
2019-04-03 05:36:17 C 06 19 27.68 +08 37 10.6 V T08
2019-04-03 05:46:25 C 06 19 28.38 +08 37 11.1 V T08
2019-04-03 05:58:32 C 06 19 29.21 +08 37 11.5 V T08
2019-04-09 06:34:45 C 06 31 11.63 +08 40 01.2 V T05
2019-04-09 06:45:36 C 06 31 12.59 +08 40 01.5 V T05
2019-04-09 06:47:40 C 06 31 12.73 +08 40 01.1 V T05
2019-04-09 06:58:49 C 06 31 13.65 +08 40 01.3 V T05
2019-04-09 07:11:54 C 06 31 14.79 +08 40 01.5 V T05
2019-04-09 07:13:53 C 06 31 14.95 +08 40 01.7 V T05
2019-04-09 07:24:43 C 06 31 15.84 +08 40 01.6 V T05
2019-04-16 05:29:36 C 06 46 40.82 +08 39 33.4 V T08
2019-04-16 05:30:16 C 06 46 40.92 +08 39 32.9 V T08
2019-04-16 05:30:55 C 06 46 41.00 +08 39 33.3 V T08
2019-04-16 05:47:36 C 06 46 42.58 +08 39 33.4 V T08
2019-04-18 05:29:11 C 06 51 31.17 +08 38 32.6 V T05
2019-04-18 05:32:29 C 06 51 31.38 +08 38 33.8 V T05
2019-04-18 05:34:28 C 06 51 31.74 +08 38 32.9 V T05
2019-04-18 05:35:47 C 06 51 32.15 +08 38 30.0 V T05
2019-04-18 05:45:52 C 06 51 32.89 +08 38 32.1 V T05
2019-04-18 05:50:17 C 06 51 33.33 +08 38 32.0 V T05
2019-04-18 06:12:43 C 06 51 35.56 +08 38 31.8 V T05
2019-04-19 19:05:46 C 06 55 26.05 +08 37 23.3 q 160
2019-04-19 19:08:42 C 06 55 26.28 +08 37 23.0 q 160
2019-04-19 19:11:39 C 06 55 26.57 +08 37 23.0 q 160
2019-04-20 05:40:08 C 06 56 33.15 +08 37 07.1 V T05
2019-04-20 05:42:07 C 06 56 33.32 +08 37 07.2 V T05
2019-04-20 05:52:26 C 06 56 34.42 +08 37 06.6 V T05
2019-04-20 05:55:19 C 06 56 34.72 +08 37 06.7 V T05
2019-04-20 06:01:29 C 06 56 35.29 +08 37 05.6 V T05
2019-04-20 06:06:58 C 06 56 35.88 +08 37 05.8 V T05
2019-04-20 06:09:48 C 06 56 36.19 +08 37 05.8 V T05
2019-04-20 06:16:07 C 06 56 36.79 +08 37 05.2 V T05
2019-04-20 06:21:37 C 06 56 37.38 +08 37 05.4 V T05
2019-04-20 06:24:24 C 06 56 37.73 +08 37 05.2 V T05
2019-04-21 15:58:34 C 07 00 14.65 +08 35 51.6 q C97
2019-04-21 16:00:45 C 07 00 14.88 +08 35 50.0 q C97
2019-04-21 16:05:07 C 07 00 15.23 +08 35 48.3 q C97
2019-04-23 05:38:38 C 07 04 24.00 +08 34 10.8 V T08
2019-04-23 05:48:42 C 07 04 25.14 +08 34 10.4 V T08
2019-04-23 06:01:28 C 07 04 26.50 +08 34 09.3 V T08
2019-04-25 05:53:54 C 07 09 53.29 +08 31 38.2 V T05