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
2019-08-12 07:58:29 C 16 28 25.97 -09 09 32.2 V T08
2019-08-12 08:07:08 C 16 28 27.21 -09 09 34.5 V T08
2019-08-12 08:21:44 C 16 28 29.32 -09 09 39.8 V T08
2019-08-16 07:27:34 C 16 42 07.32 -09 38 40.6 V T08
2019-08-16 07:32:17 C 16 42 08.02 -09 38 41.6 V T08
2019-08-16 07:40:24 C 16 42 09.10 -09 38 44.2 V T08
2019-08-16 07:57:13 C 16 42 11.32 -09 38 48.8 V T08
2019-08-19 06:17:28 C 16 51 45.221 -09 58 27.16 U F51
2019-08-19 06:32:38 C 16 51 47.199 -09 58 31.22 U F51
2019-08-19 06:47:46 C 16 51 49.168 -09 58 35.23 U F51
2019-08-19 07:02:55 C 16 51 51.140 -09 58 39.25 U F51
2019-08-23 07:41:05 C 17 04 20.89 -10 23 13.5 V T05
2019-08-23 07:46:03 C 17 04 21.52 -10 23 15.0 V T05
2019-08-23 07:53:30 C 17 04 22.43 -10 23 16.5 V T05
2019-08-23 08:09:22 C 17 04 24.37 -10 23 20.4 V T05
2019-08-28 03:15:46 C 17 18 28.31 -10 49 17.0 U I41
2019-08-28 04:01:38 C 17 18 33.66 -10 49 26.5 U I41
2019-08-28 04:55:13 C 17 18 39.90 -10 49 37.7 U I41
2019-08-28 04:55:52 C 17 18 39.97 -10 49 37.8 U I41
2019-08-28 05:51:50 C 17 18 46.50 -10 49 49.2 U I41
2019-08-28 05:52:29 C 17 18 46.58 -10 49 49.4 U I41
2020-08-22 08:31:18 C 01 34 18.56 +19 45 00.4 u H21
2020-08-22 08:41:14 C 01 34 18.42 +19 45 00.7 u H21
2020-08-22 08:49:02 C 01 34 18.29 +19 45 00.7 u H21
2020-08-23 08:15:32 C 01 33 59.00 +19 45 03.8 u H21
2020-08-23 08:28:07 C 01 33 58.80 +19 45 03.7 u H21
2020-08-23 08:40:01 C 01 33 58.61 +19 45 03.6 u H21
2020-08-23 12:00:28 C 01 33 55.836 +19 45 03.88 U F51
2020-08-23 12:18:16 C 01 33 55.561 +19 45 03.95 U F51
2020-08-23 12:36:17 C 01 33 55.306 +19 45 03.95 U F51
2020-08-23 12:54:54 C 01 33 55.024 +19 45 03.94 U F51
2020-09-17 09:55:57 C 01 19 04.995 +18 56 42.20 U F51
2020-09-17 10:16:28 C 01 19 04.267 +18 56 38.81 U F51
2020-09-17 10:36:59 C 01 19 03.557 +18 56 35.45 U F51
2020-09-17 10:57:31 C 01 19 02.831 +18 56 32.32 U F51
2020-09-23 09:46:28 C 01 13 55.966 +18 30 23.29 U F51
2020-09-23 10:05:23 C 01 13 55.241 +18 30 19.65 U F51
2020-09-23 10:43:33 C 01 13 53.764 +18 30 11.79 U F51
2020-09-28 13:58:52 C 01 09 10.549 +18 03 23.20 U F51
2020-09-28 14:14:14 C 01 09 09.950 +18 03 19.26 U F51
2020-09-28 14:29:34 C 01 09 09.328 +18 03 15.90 U F51
2020-10-14 04:56:25 C 00 54 11.45 +16 22 36.4 V G96
2020-10-14 05:03:55 C 00 54 11.17 +16 22 35.0 V G96
2020-10-14 05:11:24 C 00 54 10.94 +16 22 33.7 V G96
2020-10-14 05:18:54 C 00 54 10.65 +16 22 31.2 V G96
2020-10-23 04:53:34 C 00 45 59.39 +15 16 47.2 V G96
2020-10-23 05:00:56 C 00 45 59.14 +15 16 44.9 V G96
2020-10-23 05:08:19 C 00 45 58.85 +15 16 42.6 V G96
2020-10-23 05:15:41 C 00 45 58.54 +15 16 40.3 V G96
2021-10-13 09:28:04 C 04 35 47.90 +24 25 49.9 V G96