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
2012-01-26 23:07:08 C 04 32 19.68 +16 00 22.9 u 561
2012-01-26 23:12:27 C 04 32 19.62 +16 00 24.3 u 561
2012-01-27 19:34:52 C 04 31 54.94 +15 58 14.6 u 561
2012-01-27 19:40:12 C 04 31 54.82 +15 58 14.2 u 561
2012-01-27 19:45:33 C 04 31 54.72 +15 58 13.8 u 561
2012-01-27 19:50:52 C 04 31 54.63 +15 58 12.9 u 561
2012-01-27 19:56:14 C 04 31 54.48 +15 58 12.2 u 561
2012-04-16 05:44:14 C 05 48 15.476 +16 36 47.33 L F51
2012-04-16 06:01:22 C 05 48 16.985 +16 36 47.62 L F51
2013-11-25 01:26:17 C 23 59 26.28 +09 23 05.9 u H21
2013-11-25 01:49:59 C 23 59 26.15 +09 23 02.5 u H21
2013-11-25 02:12:45 C 23 59 26.05 +09 22 58.1 u H21
2014-09-29 09:28:02 C 04 00 44.75 +24 33 06.5 u H21
2014-09-29 09:42:17 C 04 00 44.61 +24 33 06.3 u H21
2014-09-29 09:56:15 C 04 00 44.45 +24 33 05.7 u H21
2014-10-25 14:15:23 C 03 45 26.169 +23 37 44.59 L F51
2014-10-25 14:32:29 C 03 45 25.518 +23 37 41.88 L F51
2014-10-25 14:49:35 C 03 45 24.861 +23 37 39.41 L F51
2014-11-18 12:01:59 C 03 20 13.678 +21 43 03.79 L F51
2014-11-18 12:20:15 C 03 20 12.785 +21 42 59.05 L F51
2014-11-18 12:38:28 C 03 20 11.900 +21 42 54.63 L F51
2014-11-18 12:56:45 C 03 20 11.038 +21 42 50.10 L F51
2014-11-23 05:46:12 C 03 14 52.10 +21 14 41.8 q G96
2014-11-23 05:54:59 C 03 14 51.72 +21 14 39.6 q G96
2014-11-23 06:03:45 C 03 14 51.26 +21 14 37.5 q G96
2014-11-23 06:12:30 C 03 14 50.88 +21 14 35.7 q G96
2014-12-11 03:01:25 C 02 56 41.50 +19 25 04.1 o 691
2014-12-11 03:40:46 C 02 56 40.08 +19 24 55.2 o 691
2015-01-22 06:03:10 C 02 42 09.808 +16 49 36.19 L F51
2015-01-22 06:25:18 C 02 42 09.969 +16 49 35.27 L F51
2015-01-22 06:47:34 C 02 42 10.132 +16 49 34.16 L F51
2016-07-09 10:07:28 C 23 46 22.43 +11 25 29.7 q G96
2016-07-09 10:19:49 C 23 46 22.43 +11 25 32.2 q G96
2016-07-09 10:32:09 C 23 46 22.38 +11 25 34.8 q G96
2016-07-09 10:44:29 C 23 46 22.39 +11 25 37.1 q G96
2016-07-17 11:58:18 C 23 45 19.498 +11 58 56.29 L F51
2016-07-17 12:16:36 C 23 45 19.297 +11 58 58.82 L F51
2016-07-17 12:34:48 C 23 45 19.082 +11 59 01.18 L F51
2016-07-17 12:53:04 C 23 45 18.870 +11 59 03.80 L F51
2016-07-30 12:00:33 C 23 39 35.211 +12 23 17.51 L F51
2016-07-30 12:16:27 C 23 39 34.772 +12 23 17.86 L F51
2016-07-30 12:32:30 C 23 39 34.316 +12 23 18.09 L F51
2016-07-30 12:48:40 C 23 39 33.882 +12 23 18.30 L F51
2016-08-08 00:35:06 C 23 33 13.25 +12 16 51.9 r 106
2016-08-08 00:47:25 C 23 33 12.68 +12 16 51.3 r 106
2016-08-08 00:59:43 C 23 33 12.29 +12 16 51.0 r 106
2016-08-08 01:12:03 C 23 33 11.78 +12 16 49.4 r 106
2016-08-13 10:38:53 C 23 28 14.864 +12 03 02.60 L F51
2016-08-13 10:56:08 C 23 28 14.146 +12 03 00.36 L F51
2016-08-13 11:13:20 C 23 28 13.430 +12 02 58.00 L F51