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
2016-08-13 11:30:41 C 23 28 12.692 +12 02 55.77 L F51
2016-08-26 12:16:35 C 23 14 09.012 +10 59 15.90 L F51
2016-08-26 12:35:09 C 23 14 08.099 +10 59 10.90 L F51
2016-08-26 12:53:45 C 23 14 07.171 +10 59 05.77 L F51
2016-08-26 13:12:36 C 23 14 06.240 +10 59 00.73 L F51
2016-08-29 09:57:18 C 23 10 46.62 +10 39 45.9 q G96
2016-08-29 10:04:39 C 23 10 46.25 +10 39 44.2 q G96
2016-08-29 10:12:01 C 23 10 45.89 +10 39 42.1 q G96
2016-08-29 10:19:24 C 23 10 45.54 +10 39 39.7 q G96
2016-08-29 17:59:48 C 23 10 23.18 +10 37 24.4 q D29
2016-08-29 18:22:43 C 23 10 22.06 +10 37 17.8 q D29
2016-08-29 18:45:38 C 23 10 20.89 +10 37 11.0 q D29
2016-09-09 21:50:50 C 22 57 27.43 +09 08 19.4 r 106
2016-09-09 22:05:49 C 22 57 26.75 +09 08 14.4 r 106
2016-09-09 22:20:23 C 22 57 26.12 +09 08 09.4 r 106
2016-09-09 22:34:58 C 22 57 25.35 +09 08 04.7 r 106
2016-09-10 05:20:30 C 22 57 06.51 +09 05 38.0 q G96
2016-09-10 05:26:00 C 22 57 06.28 +09 05 36.2 q G96
2016-09-10 05:31:29 C 22 57 05.99 +09 05 33.9 q G96
2016-09-10 05:36:55 C 22 57 05.74 +09 05 31.9 q G96
2016-10-01 07:16:50 C 22 37 14.92 +05 54 35.4 q G96
2016-10-01 07:34:28 C 22 37 14.38 +05 54 28.3 q G96
2016-10-01 07:40:52 C 22 37 14.19 +05 54 26.7 q G96
2016-10-01 07:47:02 C 22 37 14.01 +05 54 24.2 q G96
2017-09-20 07:19:47 C 02 37 31.19 +22 39 43.9 u H21
2017-09-20 07:36:47 C 02 37 30.84 +22 39 42.4 u H21
2017-09-20 07:59:36 C 02 37 30.34 +22 39 40.8 u H21
2017-09-23 08:09:45 C 02 35 49.02 +22 34 04.8 u H21
2017-09-23 08:36:59 C 02 35 48.33 +22 34 02.4 u H21
2017-09-23 09:00:34 C 02 35 47.77 +22 34 00.5 u H21
2018-11-09 03:23:48 C 07 24 06.13 +17 48 52.6 19.7 q J43
2018-11-09 03:36:19 C 07 24 06.38 +17 48 49.1 20.2 q J43
2018-11-09 03:48:44 C 07 24 06.57 +17 48 45.9 19.5 q J43
2018-11-09 09:57:09 C 07 24 13.44 +17 47 12.1 V G96
2018-11-09 10:04:34 C 07 24 13.56 +17 47 10.4 V G96
2018-11-09 10:12:01 C 07 24 13.69 +17 47 08.1 V G96
2018-11-09 10:19:26 C 07 24 13.81 +17 47 06.4 V G96
2018-12-03 13:06:36 C 07 25 28.89 +15 08 26.3 U T05
2018-12-03 13:14:38 C 07 25 28.69 +15 08 22.9 U T05
2018-12-03 13:38:28 C 07 25 28.34 +15 08 16.3 U T05
2018-12-03 13:57:00 C 07 25 27.95 +15 08 11.4 U T05
2018-12-04 08:57:11 C 07 25 08.53 +15 02 36.4 V G96
2018-12-04 09:04:33 C 07 25 08.39 +15 02 34.3 V G96
2018-12-04 09:11:55 C 07 25 08.24 +15 02 32.2 V G96
2018-12-04 09:19:17 C 07 25 08.09 +15 02 30.0 V G96
2018-12-09 12:10:55 C 07 22 21.76 +14 26 15.2 U T08
2018-12-09 12:11:36 C 07 22 21.72 +14 26 13.8 U T08
2018-12-09 12:21:07 C 07 22 21.43 +14 26 11.9 U T08
2018-12-09 12:38:43 C 07 22 20.93 +14 26 06.0 U T08
2018-12-13 10:59:57 C 07 19 25.63 +13 57 48.5 V G96