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
2019-04-25 06:06:23 C 07 09 54.68 +08 31 37.3 V T05
2019-04-25 06:19:12 C 07 09 56.13 +08 31 36.0 V T05
2019-04-25 06:31:30 C 07 09 57.52 +08 31 35.4 V T05
2019-04-25 06:47:00 C 07 09 59.29 +08 31 34.7 V T05
2019-04-25 06:59:34 C 07 10 00.72 +08 31 33.7 V T05
2019-04-25 07:11:32 C 07 10 02.10 +08 31 33.4 V T05
2019-05-01 06:17:07 C 07 27 26.63 +08 21 10.5 V T08
2019-05-01 06:29:19 C 07 27 28.16 +08 21 09.5 V T08
2019-05-01 06:42:20 C 07 27 29.82 +08 21 07.8 V T08
2019-05-01 06:54:45 C 07 27 31.37 +08 21 06.6 V T08
2019-05-06 19:53:38 C 07 45 18.74 +08 07 16.2 q 160
2019-05-06 19:56:32 C 07 45 19.15 +08 07 15.6 q 160
2019-05-06 19:59:26 C 07 45 19.59 +08 07 15.9 q 160
2019-05-08 03:20:35 C 07 49 45.67 +08 03 26.1 V 703
2019-05-08 03:28:09 C 07 49 46.72 +08 03 25.2 V 703
2019-05-08 03:35:44 C 07 49 47.79 +08 03 24.2 V 703
2019-05-08 03:43:19 C 07 49 48.90 +08 03 23.5 V 703
2019-05-08 06:05:37 C 07 50 09.29 +08 03 08.0 V T05
2019-05-08 06:08:23 C 07 50 09.68 +08 03 07.4 V T05
2019-05-08 06:17:56 C 07 50 11.00 +08 03 06.2 V T05
2019-05-08 06:40:37 C 07 50 14.23 +08 03 03.2 V T05
2019-05-15 06:30:44 C 08 15 44.86 +07 37 50.5 V T05
2019-05-15 06:34:49 C 08 15 45.50 +07 37 49.9 V T05
2019-05-15 06:47:31 C 08 15 47.54 +07 37 47.2 V T05
2019-05-15 07:02:18 C 08 15 49.87 +07 37 45.1 V T05
2019-05-24 03:39:33 C 08 52 52.35 +06 53 47.2 V 703
2019-05-24 03:47:51 C 08 52 53.88 +06 53 45.1 V 703
2019-05-24 03:56:08 C 08 52 55.44 +06 53 43.4 V 703
2019-05-24 04:04:26 C 08 52 56.96 +06 53 41.2 V 703
2019-05-25 05:40:15 C 08 57 49.28 +06 47 25.7 V T08
2019-05-25 05:44:14 C 08 57 49.90 +06 47 23.9 V T08
2019-05-25 05:51:34 C 08 57 51.32 +06 47 22.2 V T08
2019-05-25 06:06:21 C 08 57 54.10 +06 47 18.7 V T08
2019-05-28 03:42:49 C 09 11 37.90 +06 28 41.8 V 703
2019-05-28 03:51:01 C 09 11 39.53 +06 28 39.5 V 703
2019-05-28 03:59:11 C 09 11 41.17 +06 28 37.1 V 703
2019-05-28 04:07:23 C 09 11 42.81 +06 28 35.0 V 703
2019-05-29 06:10:16 C 09 17 02.72 +06 21 10.6 V T08
2019-05-29 06:14:16 C 09 17 03.55 +06 21 09.8 V T08
2019-05-29 06:22:14 C 09 17 05.18 +06 21 07.2 V T08
2019-05-29 06:36:14 C 09 17 08.03 +06 21 03.0 V T08
2019-06-05 23:27:23 C 09 58 10.71 +05 18 46.0 W84
2019-06-05 23:32:51 C 09 58 11.98 +05 18 43.8 W84
2019-06-05 23:43:47 C 09 58 14.54 +05 18 39.4 W84
2019-06-05 23:49:15 C 09 58 15.81 +05 18 37.4 W84
2019-06-05 23:54:43 C 09 58 17.08 +05 18 35.3 W84
2019-06-08 05:57:40 C 10 11 22.83 +04 56 26.3 V T05
2019-06-08 06:03:01 C 10 11 24.10 +04 56 24.0 V T05
2019-06-08 06:11:38 C 10 11 26.19 +04 56 20.3 V T05
2019-06-08 06:26:27 C 10 11 29.79 +04 56 14.2 V T05