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
2021-10-13 09:35:30 C 04 35 47.77 +24 25 50.1 V G96
2021-10-13 09:42:55 C 04 35 47.66 +24 25 49.9 V G96
2021-10-13 09:50:20 C 04 35 47.52 +24 25 48.9 V G96
2021-10-28 09:48:04 C 04 27 02.861 +23 52 42.87 U F52
2021-10-28 10:04:34 C 04 27 02.304 +23 52 40.84 U F52
2021-10-28 10:20:59 C 04 27 01.744 +23 52 38.94 U F52
2021-10-28 11:28:48 C 04 26 59.25 +23 52 30.0 V V00
2021-10-28 11:35:49 C 04 26 59.05 +23 52 29.2 V V00
2021-10-28 11:42:49 C 04 26 58.79 +23 52 28.2 V V00
2021-10-28 11:49:49 C 04 26 58.55 +23 52 27.5 V V00
2021-10-31 13:36:33 C 04 24 26.104 +23 43 01.86 U F52
2021-10-31 13:55:01 C 04 24 25.420 +23 42 59.34 U F52
2021-10-31 14:13:29 C 04 24 24.732 +23 42 56.77 U F52
2021-10-31 14:31:54 C 04 24 24.050 +23 42 54.02 U F52
2021-11-11 21:03:39 C 04 13 12.42 +22 59 49.4 V D29
2021-11-11 21:16:23 C 04 13 11.90 +22 59 47.4 V D29
2021-11-15 07:19:49 C 04 09 20.22 +22 44 11.2 V G96
2021-11-15 07:28:02 C 04 09 19.80 +22 44 09.6 V G96
2021-11-15 07:36:16 C 04 09 19.39 +22 44 08.2 V G96
2021-11-15 07:44:29 C 04 09 18.98 +22 44 06.3 V G96
2021-11-23 10:59:52 C 03 59 34.353 +22 02 38.29 U F52
2021-11-23 11:36:45 C 03 59 32.419 +22 02 29.64 U F52
2021-11-23 11:55:10 C 03 59 31.458 +22 02 25.63 U F52
2021-11-28 07:33:42 C 03 53 34.971 +21 35 28.34 U F52
2021-11-28 07:52:12 C 03 53 34.006 +21 35 24.12 U F52
2021-11-28 08:10:38 C 03 53 33.034 +21 35 19.82 U F52
2021-11-29 06:17:54 C 03 52 24.67 +21 30 00.3 V G96
2021-11-29 06:25:19 C 03 52 24.29 +21 29 58.6 V G96
2021-11-29 06:32:41 C 03 52 23.89 +21 29 56.9 V G96
2021-11-29 06:40:04 C 03 52 23.49 +21 29 55.1 V G96
2021-11-30 05:52:35 C 03 51 12.07 +21 24 17.8 V G96
2021-11-30 06:00:37 C 03 51 11.66 +21 24 16.3 V G96
2021-11-30 06:08:37 C 03 51 11.25 +21 24 14.0 V G96
2021-11-30 06:16:38 C 03 51 10.82 +21 24 12.1 V G96
2021-12-09 05:50:01 C 03 40 26.15 +20 30 47.0 V G96
2021-12-09 05:58:06 C 03 40 25.76 +20 30 44.9 V G96
2021-12-09 06:06:10 C 03 40 25.35 +20 30 42.9 V G96
2021-12-09 06:14:16 C 03 40 24.97 +20 30 41.1 V G96
2022-01-06 04:27:31 C 03 16 57.74 +18 05 34.9 V G96
2022-01-06 04:35:47 C 03 16 57.57 +18 05 33.5 V G96
2022-01-06 04:44:02 C 03 16 57.39 +18 05 31.9 V G96
2022-01-06 04:52:17 C 03 16 57.23 +18 05 30.9 V G96
2022-01-31 06:42:42 C 03 14 39.843 +17 09 31.58 U F52
2022-01-31 06:59:11 C 03 14 40.013 +17 09 30.99 U F52
2022-01-31 07:15:41 C 03 14 40.176 +17 09 30.55 U F52
2022-01-31 07:32:06 C 03 14 40.336 +17 09 30.05 U F52
2022-02-21 05:47:38 C 03 25 35.694 +17 18 37.20 U F52
2022-02-21 06:07:56 C 03 25 36.330 +17 18 38.21 U F52
2022-02-21 06:28:10 C 03 25 36.947 +17 18 39.28 U F52
2022-02-21 06:48:27 C 03 25 37.577 +17 18 40.49 U F52