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
2024-10-23 07:11:22 C 02 43 25.507 +21 58 26.62 V G96
2024-10-23 07:19:22 C 02 43 25.129 +21 58 24.49 V G96
2024-10-23 07:27:22 C 02 43 24.794 +21 58 22.98 V G96
2024-10-23 07:35:22 C 02 43 24.474 +21 58 21.29 V G96
2024-10-28 05:44:12 C 02 38 30.016 +21 32 36.96 V G96
2024-10-28 05:51:38 C 02 38 29.695 +21 32 35.63 V G96
2024-10-28 05:59:04 C 02 38 29.353 +21 32 33.54 V G96
2024-10-28 06:06:30 C 02 38 29.051 +21 32 31.88 V G96
2024-11-02 08:25:55 C 02 33 16.194 +21 03 25.92 X F52
2024-11-02 08:43:10 C 02 33 15.442 +21 03 21.69 X F52
2024-11-02 09:00:28 C 02 33 14.688 +21 03 17.53 X F52
2024-11-02 09:18:11 C 02 33 13.904 +21 03 13.21 X F52
2024-11-20 02:53:05 C 02 15 43.10 +19 10 36.2 V H21
2024-11-20 02:58:16 C 02 15 42.88 +19 10 34.9 V H21
2024-11-22 06:18:40 C 02 13 48.688 +18 56 44.16 V G96
2024-11-22 06:26:47 C 02 13 48.371 +18 56 42.00 V G96
2024-11-22 06:34:55 C 02 13 48.090 +18 56 39.73 V G96
2024-11-22 06:43:03 C 02 13 47.838 +18 56 37.46 V G96
2024-12-02 09:36:34 C 02 05 49.898 +17 53 30.90 X F51
2024-12-02 10:05:06 C 02 05 49.068 +17 53 23.88 X F51
2024-12-02 10:23:31 C 02 05 48.511 +17 53 19.27 X F51
2024-12-02 10:41:56 C 02 05 47.986 +17 53 14.67 X F51
2024-12-21 05:25:02 C 01 56 41.082 +16 19 01.60 V V00
2024-12-21 05:33:07 C 01 56 40.988 +16 19 00.41 V V00
2024-12-21 05:41:11 C 01 56 40.902 +16 18 59.29 V V00
2024-12-21 05:49:17 C 01 56 40.808 +16 18 57.60 V V00
2024-12-27 06:59:55 C 01 55 27.182 +15 57 22.58 X F52
2024-12-27 07:17:32 C 01 55 27.079 +15 57 20.62 X F52
2024-12-27 07:35:18 C 01 55 26.968 +15 57 17.60 X F52
2025-09-25 21:28:16 C 07 46 02.094 +17 55 00.49 W O18
2025-09-25 21:34:33 C 07 46 02.566 +17 54 58.51 W O18
2025-09-25 21:40:50 C 07 46 03.039 +17 54 56.26 W O18
2025-10-21 14:58:03 C 08 32 14.647 +13 51 40.54 X F51
2025-10-21 15:04:12 C 08 32 15.080 +13 51 37.52 X F51
2025-10-21 15:10:22 C 08 32 15.536 +13 51 34.75 X F51
2025-10-21 15:16:31 C 08 32 15.999 +13 51 31.83 X F51
2025-10-28 11:22:42 C 08 44 32.060 +12 30 26.24 V G96
2025-10-28 11:30:05 C 08 44 32.647 +12 30 22.46 V G96
2025-10-28 11:37:30 C 08 44 33.194 +12 30 18.36 V G96
2025-10-28 11:44:53 C 08 44 33.745 +12 30 14.87 V G96
2025-12-01 11:33:38 C 09 46 21.882 +03 32 01.39 V G96
2025-12-01 11:40:59 C 09 46 22.458 +03 31 55.27 V G96
2025-12-01 11:48:21 C 09 46 23.002 +03 31 49.19 V G96
2025-12-01 11:55:43 C 09 46 23.560 +03 31 43.03 V G96
2025-12-01 13:05:16 C 09 46 29.203 +03 30 46.51 V T08
2025-12-01 13:09:52 C 09 46 29.580 +03 30 43.09 V T08
2025-12-01 13:19:08 C 09 46 30.223 +03 30 35.57 V T08
2025-12-01 13:27:01 C 09 46 30.826 +03 30 28.40 V T08
2025-12-13 12:49:37 C 10 09 29.042 -00 51 57.64 V T08
2025-12-13 12:52:54 C 10 09 29.326 -00 52 01.13 V T08