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
2019-07-14 07:48:03 C 14 12 38.73 -03 49 27.4 V T05
2019-07-14 07:52:49 C 14 12 39.92 -03 49 30.6 V T05
2019-07-14 08:08:11 C 14 12 43.75 -03 49 39.8 V T05
2019-07-16 08:02:45 C 14 24 36.52 -04 18 35.1 V T08
2019-07-16 08:08:05 C 14 24 37.81 -04 18 38.4 V T08
2019-07-16 08:16:03 C 14 24 39.73 -04 18 43.0 V T08
2019-07-16 08:32:51 C 14 24 43.76 -04 18 53.1 V T08
2019-07-18 07:48:12 C 14 36 02.79 -04 46 24.4 V T05
2019-07-18 07:52:59 C 14 36 03.88 -04 46 27.1 V T05
2019-07-18 08:00:26 C 14 36 05.61 -04 46 31.2 V T05
2019-07-18 08:14:42 C 14 36 08.92 -04 46 39.4 V T05
2019-07-20 07:25:37 C 14 47 02.68 -05 13 04.5 V T08
2019-07-20 07:34:20 C 14 47 04.63 -05 13 09.3 V T08
2019-07-20 07:48:59 C 14 47 07.89 -05 13 17.1 V T08
2019-07-21 09:57:37 C 14 52 59.84 -05 27 12.1 q E89
2019-07-21 10:11:47 C 14 53 02.95 -05 27 20.0 q E89
2019-07-22 07:28:35 C 14 57 43.83 -05 38 54.4 V T05
2019-07-22 07:33:21 C 14 57 44.85 -05 38 56.9 V T05
2019-07-22 07:42:43 C 14 57 46.85 -05 39 01.8 V T05
2019-07-22 07:58:48 C 14 57 50.30 -05 39 10.3 V T05
2019-07-24 08:09:57 C 15 08 08.62 -06 03 57.6 V T08
2019-07-24 08:17:56 C 15 08 10.27 -06 04 01.4 V T08
2019-07-24 08:32:35 C 15 08 13.29 -06 04 08.9 V T08
2019-07-25 06:24:49 C 15 12 46.524 -06 15 03.17 U F52
2019-07-25 06:41:32 C 15 12 49.898 -06 15 11.43 U F52
2019-07-25 06:58:11 C 15 12 53.249 -06 15 19.56 U F52
2019-07-25 07:14:51 C 15 12 56.617 -06 15 27.73 U F52
2019-07-26 06:33:48 C 15 17 42.05 -06 26 49.5 V T05
2019-07-26 06:37:59 C 15 17 42.86 -06 26 51.5 V T05
2019-07-26 06:46:57 C 15 17 44.64 -06 26 56.0 V T05
2019-07-26 07:01:41 C 15 17 47.57 -06 27 03.1 V T05
2019-07-28 07:03:28 C 15 27 18.20 -06 49 39.8 V T08
2019-07-28 07:08:49 C 15 27 19.21 -06 49 42.4 V T08
2019-07-28 07:33:10 C 15 27 23.85 -06 49 53.5 V T08
2019-07-30 07:44:09 C 15 36 34.28 -07 11 33.5 V T05
2019-07-30 07:49:52 C 15 36 35.32 -07 11 36.2 V T05
2019-07-30 07:57:46 C 15 36 36.76 -07 11 39.5 V T05
2019-07-30 08:12:15 C 15 36 39.43 -07 11 45.8 V T05
2019-08-01 07:34:01 C 15 45 20.20 -07 32 05.3 V T08
2019-08-01 07:38:40 C 15 45 21.02 -07 32 07.0 V T08
2019-08-01 07:46:48 C 15 45 22.46 -07 32 10.9 V T08
2019-08-01 08:03:01 C 15 45 25.33 -07 32 17.7 V T08
2019-08-04 21:07:24 C 16 00 13.35 -08 06 34.2 V C27
2019-08-04 21:58:57 C 16 00 21.89 -08 06 54.4 V C27
2019-08-05 07:50:14 C 16 02 00.96 -08 10 36.4 V T08
2019-08-05 07:55:57 C 16 02 01.92 -08 10 38.7 V T08
2019-08-05 08:05:16 C 16 02 03.42 -08 10 41.9 V T08
2019-08-05 21:04:50 C 16 04 13.15 -08 15 41.7 V C27
2019-08-05 22:24:48 C 16 04 26.17 -08 16 11.7 V C27
2019-08-12 07:53:12 C 16 28 25.21 -09 09 29.9 V T08