IAA RAS IAA Minor Planet Database

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
2019-02-26 07:32:24 C 05 45 26.48 +08 04 16.3 – V T08
2019-02-26 07:43:49 C 05 45 26.43 +08 04 16.2 – V T08
2019-02-26 07:55:13 C 05 45 26.41 +08 04 16.3 – V T08
2019-02-26 08:06:43 C 05 45 26.37 +08 04 16.3 – V T08
2019-03-02 07:23:48 C 05 45 52.79 +08 05 41.5 – V T08
2019-03-02 07:35:54 C 05 45 52.86 +08 05 40.4 – V T08
2019-03-02 07:47:24 C 05 45 52.97 +08 05 41.5 – V T08
2019-03-02 07:59:30 C 05 45 53.00 +08 05 41.4 – V T08
2019-03-07 20:50:30 C 05 47 59.37 +08 09 40.8 – V C95
2019-03-07 20:56:48 C 05 47 59.47 +08 09 40.9 – V C95
2019-03-07 21:03:30 C 05 47 59.62 +08 09 41.2 – V C95
2019-03-07 21:09:49 C 05 47 59.76 +08 09 41.3 – V C95
2019-03-18 01:27:48 C 05 56 09.67 +08 20 46.1 – V W34
2019-03-18 01:39:25 C 05 56 10.13 +08 20 46.6 – V W34
2019-03-18 01:54:53 C 05 56 10.76 +08 20 47.5 – V W34
2019-03-18 03:38:27 C 05 56 15.40 +08 20 53.1 – V G96
2019-03-18 03:46:05 C 05 56 15.72 +08 20 53.4 – V G96
2019-03-18 03:53:43 C 05 56 16.04 +08 20 53.9 – V G96
2019-03-18 04:01:20 C 05 56 16.38 +08 20 54.1 – V G96
2019-03-18 06:31:36 C 05 56 23.07 +08 21 04.3 – V T08
2019-03-18 06:42:40 C 05 56 23.56 +08 21 04.2 – V T08
2019-03-18 06:53:32 C 05 56 23.98 +08 21 05.3 – V T08
2019-03-18 07:03:29 C 05 56 24.43 +08 21 05.3 – V T08
2019-03-21 06:06:53 C 05 59 47.73 +08 24 33.6 – V T08
2019-03-21 06:19:59 C 05 59 48.38 +08 24 34.5 – V T08
2019-03-21 06:32:51 C 05 59 49.02 +08 24 34.7 – V T08
2019-03-21 06:45:51 C 05 59 49.62 +08 24 35.2 – V T08
2019-03-22 08:08:38 C 06 01 08.17 +08 25 46.7 – V T08
2019-03-22 08:19:26 C 06 01 08.73 +08 25 48.7 – V T08
2019-03-22 08:28:51 C 06 01 09.15 +08 25 48.2 – V T08
2019-03-22 08:36:27 C 06 01 09.62 +08 25 49.3 – V T08
2019-03-22 20:10:09 C 06 01 46.79 +08 26 18.5 – q 160
2019-03-22 20:13:50 C 06 01 46.96 +08 26 18.2 – q 160
2019-03-22 20:17:28 C 06 01 47.14 +08 26 18.1 – q 160
2019-03-23 19:56:07 C 06 03 04.87 +08 27 24.9 – q 160
2019-03-23 19:59:47 C 06 03 05.01 +08 27 24.6 – q 160
2019-03-23 20:03:22 C 06 03 05.23 +08 27 24.9 – q 160
2019-03-26 05:22:01 C 06 06 24.81 +08 30 04.8 – V T08
2019-03-26 05:38:11 C 06 06 25.71 +08 30 05.8 – V T08
2019-03-26 06:13:55 C 06 06 27.73 +08 30 06.6 – V T08
2019-03-26 06:25:32 C 06 06 28.42 +08 30 07.6 – V T08
2019-03-26 06:35:20 C 06 06 29.01 +08 30 08.0 – V T08
2019-03-27 02:00:13 C 06 07 40.36 +08 30 55.3 – q H45
2019-03-27 02:01:54 C 06 07 40.45 +08 30 55.4 – q H45
2019-03-27 02:03:28 C 06 07 40.54 +08 30 55.4 – q H45
2019-03-27 02:04:54 C 06 07 40.63 +08 30 55.4 – q H45
2019-03-27 02:06:38 C 06 07 40.74 +08 30 55.6 – q H45
2019-03-27 02:08:08 C 06 07 40.83 +08 30 55.6 – q H45
2019-03-29 19:50:03 C 06 11 55.25 +08 33 33.6 – q 160
2019-03-29 19:53:42 C 06 11 55.43 +08 33 33.8 – q 160