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
2019-01-29 09:05:06 C 06 07 43.23 +08 54 01.1 V T08
2019-01-29 09:16:43 C 06 07 42.47 +08 53 59.3 V T08
2019-01-29 09:28:28 C 06 07 41.71 +08 53 57.5 V T08
2019-02-04 21:47:58 C 05 58 46.02 +08 31 01.7 q 160
2019-02-04 21:50:48 C 05 58 45.87 +08 31 01.5 q 160
2019-02-04 21:53:45 C 05 58 45.73 +08 31 00.2 q 160
2019-02-05 12:46:43 C 05 58 00.75 +08 29 25.3 q E89
2019-02-05 21:09:20 C 05 57 36.41 +08 28 15.0 q 160
2019-02-05 21:12:17 C 05 57 36.24 +08 28 14.0 q 160
2019-02-05 21:15:08 C 05 57 36.11 +08 28 14.0 q 160
2019-02-06 21:37:04 C 05 56 26.42 +08 25 30.9 q 160
2019-02-06 21:40:01 C 05 56 26.26 +08 25 31.0 q 160
2019-02-06 21:42:58 C 05 56 26.14 +08 25 30.4 q 160
2019-02-06 22:22:02 C 05 56 24.44 +08 25 27.8 d Z35
2019-02-06 22:40:47 C 05 56 23.37 +08 25 24.9 d Z35
2019-02-07 21:46:26 C 05 55 20.73 +08 23 00.1 d Z35
2019-02-07 22:24:27 C 05 55 18.97 +08 22 57.9 d Z35
2019-02-11 03:55:27 C 05 52 10.69 +08 16 03.0 V G96
2019-02-11 04:03:32 C 05 52 10.36 +08 16 02.4 V G96
2019-02-11 04:11:38 C 05 52 10.04 +08 16 01.8 V G96
2019-02-11 04:19:44 C 05 52 09.72 +08 16 01.2 V G96
2019-02-14 20:29:50 C 05 49 18.45 +08 10 11.3 q 160
2019-02-14 20:33:33 C 05 49 18.34 +08 10 11.1 q 160
2019-02-14 20:37:17 C 05 49 18.24 +08 10 10.7 q 160
2019-02-15 20:38:41 C 05 48 39.72 +08 08 57.4 q 160
2019-02-15 20:42:06 C 05 48 39.59 +08 08 57.6 q 160
2019-02-16 20:27:27 C 05 48 05.07 +08 07 53.3 q 160
2019-02-16 20:31:08 C 05 48 04.90 +08 07 53.7 q 160
2019-02-16 20:34:49 C 05 48 04.79 +08 07 53.5 q 160
2019-02-17 19:21:58 C 05 47 35.00 +08 06 59.5 V B88
2019-02-17 20:22:13 C 05 47 33.63 +08 06 56.5 V B88
2019-02-17 21:23:39 C 05 47 32.21 +08 06 55.1 V B88
2019-02-18 20:11:32 C 05 47 05.76 +08 06 10.3 q 160
2019-02-18 20:15:23 C 05 47 05.66 +08 06 10.6 q 160
2019-02-19 09:46:34 C 05 46 51.42 +08 06 02.8 q E89
2019-02-19 10:25:14 C 05 46 50.59 +08 06 00.5 q E89
2019-02-22 07:48:31 C 05 45 55.14 +08 04 29.2 V T08
2019-02-22 08:00:08 C 05 45 55.02 +08 04 30.5 V T08
2019-02-22 08:11:35 C 05 45 54.83 +08 04 30.3 V T08
2019-02-22 08:23:03 C 05 45 54.74 +08 04 29.4 V T08
2019-02-23 14:48:03 S 05 45 40.123 +08 04 17.29 L C51
2019-02-23 14:48:14 S 05 45 40.145 +08 04 17.11 L C51
2019-02-23 17:56:34 S 05 45 38.90 +08 04 15.3 L C51
2019-02-23 22:39:07 S 05 45 37.12 +08 04 14.2 L C51
2019-02-23 22:39:19 S 05 45 37.16 +08 04 13.9 L C51
2019-02-24 00:13:23 S 05 45 36.57 +08 04 13.2 L C51
2019-02-24 01:47:38 S 05 45 36.014 +08 04 14.48 L C51
2019-02-24 04:56:08 S 05 45 35.02 +08 04 12.5 L C51
2019-02-24 08:04:27 S 05 45 34.03 +08 04 12.3 L C51
2019-02-24 11:12:57 S 05 45 33.16 +08 04 11.6 L C51