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
2019-06-30 07:26:48 C 12 39 38.68 -00 06 36.3 V T08
2019-06-30 08:22:52 C 12 39 54.91 -00 07 14.4 V T08
2019-06-30 08:27:33 C 12 39 56.27 -00 07 17.5 V T08
2019-06-30 08:35:35 C 12 39 58.60 -00 07 23.3 V T08
2019-06-30 20:18:32 C 12 43 25.16 -00 15 29.1 q 160
2019-06-30 20:21:25 C 12 43 25.99 -00 15 30.9 q 160
2019-06-30 20:24:16 C 12 43 26.81 -00 15 32.8 q 160
2019-07-01 20:10:28 C 12 50 23.49 -00 31 44.6 q 160
2019-07-01 20:11:50 C 12 50 23.93 -00 31 46.2 q 160
2019-07-01 20:13:39 C 12 50 24.39 -00 31 46.7 q 160
2019-07-02 03:54:07 C 12 52 38.50 -00 36 58.4 V G96
2019-07-02 04:02:15 C 12 52 40.83 -00 37 04.1 V G96
2019-07-02 04:10:21 C 12 52 43.16 -00 37 09.7 V G96
2019-07-02 04:18:27 C 12 52 45.49 -00 37 15.1 V G96
2019-07-02 04:25:17 C 12 52 47.41 -00 37 19.2 V 703
2019-07-02 04:33:32 C 12 52 49.81 -00 37 25.7 V 703
2019-07-02 04:41:47 C 12 52 52.17 -00 37 30.9 V 703
2019-07-02 04:50:02 C 12 52 54.53 -00 37 36.2 V 703
2019-07-02 06:35:03 C 12 53 25.33 -00 38 44.5 V T05
2019-07-02 06:39:01 C 12 53 26.48 -00 38 47.1 V T05
2019-07-02 06:46:31 C 12 53 28.62 -00 38 52.4 V T05
2019-07-02 07:02:00 C 12 53 33.03 -00 39 03.0 V T05
2019-07-03 04:22:07 C 12 59 44.07 -00 53 40.6 V 703
2019-07-03 04:29:47 C 12 59 46.25 -00 53 46.1 V 703
2019-07-03 04:37:27 C 12 59 48.48 -00 53 50.7 V 703
2019-07-03 04:45:07 C 12 59 50.69 -00 53 55.9 V 703
2019-07-04 04:28:42 C 13 06 40.60 -01 10 07.5 V 703
2019-07-04 04:36:36 C 13 06 42.84 -01 10 13.0 V 703
2019-07-04 04:44:32 C 13 06 45.09 -01 10 18.4 V 703
2019-07-04 04:52:27 C 13 06 47.33 -01 10 23.9 V 703
2019-07-04 06:51:22 C 13 07 21.60 -01 11 40.7 V T08
2019-07-04 06:56:05 C 13 07 22.95 -01 11 43.9 V T08
2019-07-04 07:05:29 C 13 07 25.56 -01 11 50.3 V T08
2019-07-04 07:20:13 C 13 07 29.73 -01 12 00.1 V T08
2019-07-06 06:58:12 C 13 21 01.76 -01 44 19.8 V T08
2019-07-06 07:02:17 C 13 21 02.89 -01 44 22.8 V T08
2019-07-06 07:11:36 C 13 21 05.47 -01 44 28.9 V T08
2019-07-06 07:29:12 C 13 21 10.34 -01 44 40.8 V T08
2019-07-12 07:14:48 C 14 00 11.95 -03 19 08.3 V T08
2019-07-12 07:23:54 C 14 00 14.30 -03 19 14.3 V T08
2019-07-12 07:29:54 C 14 00 15.84 -03 19 18.2 V T08
2019-07-12 07:37:41 C 14 00 17.82 -03 19 23.1 V T08
2019-07-12 07:42:09 C 14 00 18.97 -03 19 25.6 V T08
2019-07-12 07:44:49 C 14 00 19.64 -03 19 27.6 V T08
2019-07-12 07:49:41 C 14 00 20.89 -03 19 30.5 V T08
2019-07-12 08:04:23 C 14 00 24.67 -03 19 39.4 V T08
2019-07-14 07:31:33 C 14 12 34.63 -03 49 17.5 V T05
2019-07-14 07:35:35 C 14 12 35.67 -03 49 19.8 V T05
2019-07-14 07:40:12 C 14 12 36.80 -03 49 22.8 V T05
2019-07-14 07:47:22 C 14 12 38.58 -03 49 27.3 V T05