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
2025-12-13 12:57:30 C 10 09 29.702 -00 52 05.20 V T08
2025-12-13 13:41:46 C 10 09 33.223 -00 52 49.69 V T08
2025-12-14 07:25:05 C 10 11 01.025 -01 10 34.82 V W68
2025-12-14 07:29:39 C 10 11 01.390 -01 10 38.75 V W68
2025-12-14 07:37:31 C 10 11 02.054 -01 10 47.24 V W68
2025-12-14 07:52:06 C 10 11 03.180 -01 11 01.86 V W68
2025-12-14 12:17:08 C 10 11 24.925 -01 15 41.08 V 703
2025-12-14 12:20:26 C 10 11 25.202 -01 15 44.24 V 703
2025-12-14 12:23:45 C 10 11 25.386 -01 15 47.63 V 703
2025-12-14 12:27:03 C 10 11 25.663 -01 15 50.65 V 703
2025-12-15 21:43:45 C 10 14 11.890 -01 50 06.33 W O18
2025-12-15 22:43:37 C 10 14 16.748 -01 51 08.49 W O18
2025-12-17 10:18:04 C 10 17 16.253 -02 28 37.09 V 703
2025-12-17 10:21:25 C 10 17 16.544 -02 28 40.73 V 703
2025-12-17 10:24:47 C 10 17 16.829 -02 28 44.40 V 703
2025-12-17 10:28:09 C 10 17 17.135 -02 28 47.24 V 703
2025-12-20 06:58:04 C 10 23 07.846 -03 43 27.44 V W68
2025-12-20 07:02:02 C 10 23 08.177 -03 43 31.55 V W68
2025-12-20 07:27:21 C 10 23 10.294 -03 44 00.17 V W68
2025-12-20 07:29:58 C 10 23 10.500 -03 44 02.33 V W68
2025-12-20 07:33:56 C 10 23 10.824 -03 44 07.08 V W68
2025-12-20 07:42:04 C 10 23 11.522 -03 44 16.19 V W68
2025-12-20 07:50:48 C 10 23 12.245 -03 44 26.30 V W68
2025-12-20 08:24:29 C 10 23 15.118 -03 45 03.42 V W68
2025-12-20 08:26:25 C 10 23 15.274 -03 45 05.69 V W68
2025-12-21 10:15:09 C 10 25 29.557 -04 14 26.34 V 703
2025-12-21 10:18:26 C 10 25 29.842 -04 14 30.26 V 703
2025-12-21 10:21:43 C 10 25 30.155 -04 14 32.46 V 703
2025-12-21 10:25:00 C 10 25 30.428 -04 14 37.18 V 703
2025-12-25 00:33:51 B 10 33 07.97 -05 55 51.7 X L76
2025-12-25 00:40:20 B 10 33 08.53 -05 55 59.5 X L76
2025-12-25 00:46:51 B 10 33 09.11 -05 56 07.3 X L76
2025-12-25 00:53:21 B 10 33 09.67 -05 56 15.1 X L76
2025-12-25 00:59:51 B 10 33 10.24 -05 56 23.2 X L76
2025-12-25 13:34:10 C 10 34 18.500 -06 11 37.47 X F51
2025-12-25 13:53:44 C 10 34 20.216 -06 12 01.39 X F51
2025-12-25 14:13:23 C 10 34 21.944 -06 12 25.52 X F51
2025-12-26 07:50:05 C 10 35 58.150 -06 33 56.48 V W68
2025-12-26 07:52:05 C 10 35 58.327 -06 33 58.75 V W68
2025-12-26 08:04:05 C 10 35 59.398 -06 34 14.05 V W68
2025-12-26 08:11:22 C 10 36 00.065 -06 34 23.34 V W68
2025-12-26 08:28:01 C 10 36 01.522 -06 34 43.18 V W68
2025-12-30 00:56:02 C 10 44 17.045 -08 27 54.47 V M22
2025-12-30 01:02:38 C 10 44 17.630 -08 28 03.07 V M22
2025-12-30 01:10:38 C 10 44 18.379 -08 28 13.91 V M22
2025-12-30 01:40:47 C 10 44 21.194 -08 28 53.26 V M22
2026-01-01 06:47:32 C 10 49 30.082 -09 40 29.17 V W68
2026-01-01 06:51:36 C 10 49 30.490 -09 40 34.64 V W68
2026-01-01 07:04:13 C 10 49 31.706 -09 40 51.85 V W68
2026-01-01 07:36:54 C 10 49 34.817 -09 41 37.54 V W68