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
2018-12-13 11:07:16 C 07 19 25.36 +13 57 46.2 V G96
2018-12-13 11:14:35 C 07 19 25.09 +13 57 44.1 V G96
2018-12-13 11:21:53 C 07 19 24.82 +13 57 41.9 V G96
2018-12-13 17:56:39 C 07 19 11.31 +13 55 43.0 q D29
2018-12-13 18:10:40 C 07 19 10.79 +13 55 38.7 q D29
2018-12-13 18:17:01 C 07 19 10.56 +13 55 37.1 q D29
2018-12-13 18:31:01 C 07 19 10.03 +13 55 32.7 q D29
2018-12-13 18:37:23 C 07 19 09.79 +13 55 30.9 q D29
2018-12-29 19:44:39 S 07 00 12.888 +11 59 11.11 V C57
2018-12-29 19:44:39 s 1 +18427.230 0 +362759.74 4840.0 C57
2018-12-29 20:14:39 S 07 00 10.778 +11 59 01.93 V C57
2018-12-29 20:14:39 s 1 +17459.255 0 +363395.38 1240.0 C57
2018-12-29 20:44:38 S 07 00 08.770 +11 58 51.49 V C57
2018-12-29 20:44:38 s 1 +16490.885 0 +364021.64 4420.0 C57
2018-12-29 22:14:38 S 07 00 02.868 +11 58 29.93 V C57
2018-12-29 22:14:38 s 1 +13583.667 0 +365844.41 6460.0 C57
2018-12-30 00:14:39 S 06 59 54.797 +11 57 54.79 V C57
2018-12-30 00:44:39 S 06 59 52.848 +11 57 50.87 V C57
2018-12-30 01:14:38 S 06 59 50.678 +11 57 39.35 V C57
2018-12-30 02:14:39 S 06 59 46.985 +11 57 25.06 V C57
2018-12-30 02:44:38 S 06 59 44.834 +11 57 12.49 V C57
2018-12-30 04:14:38 S 06 59 39.168 +11 56 50.86 V C57
2018-12-30 09:14:39 S 06 59 18.910 +11 55 33.78 V C57
2018-12-30 09:44:39 S 06 59 17.062 +11 55 23.20 V C57
2018-12-30 11:44:38 S 06 59 08.683 +11 54 47.45 V C57
2018-12-30 11:44:38 s 1 -12617.546 0 +378555.64 6630.0 C57
2018-12-30 12:14:39 S 06 59 06.744 +11 54 37.55 V C57
2018-12-30 12:14:39 s 1 -13585.756 0 +378901.46 3600.0 C57
2018-12-30 12:44:39 S 06 59 04.750 +11 54 35.03 V C57
2018-12-30 12:44:39 s 1 -14553.590 0 +379238.53 2520.0 C57
2018-12-30 13:14:38 S 06 59 02.436 +11 54 24.95 V C57
2018-12-30 13:14:38 s 1 -15521.025 0 +379566.84 3550.0 C57
2018-12-30 17:14:39 S 06 58 46.543 +11 53 21.66 V C57
2018-12-30 17:14:39 s 1 -23243.575 0 +381880.16 4240.0 C57
2018-12-31 00:14:38 S 06 58 17.758 +11 51 31.57 V C57
2018-12-31 00:14:38 s 1 -36660.922 0 +384604.15 7260.0 C57
2018-12-31 00:44:39 S 06 58 15.919 +11 51 24.80 V C57
2018-12-31 00:44:39 s 1 -37613.398 0 +384734.90 4350.0 C57
2018-12-31 08:44:38 S 06 57 42.982 +11 49 08.22 V C57
2018-12-31 08:44:38 s 1 -52717.912 0 +385683.74 6010.0 C57
2018-12-31 12:14:38 S 06 57 28.562 +11 48 16.38 V C57
2018-12-31 12:14:38 s 1 -59233.561 0 +385427.35 6780.0 C57
2018-12-31 12:44:39 S 06 57 26.386 +11 48 04.10 V C57
2018-12-31 12:44:39 s 1 -60159.145 0 +385357.57 5600.0 C57
2018-12-31 14:44:38 S 06 57 18.098 +11 47 32.35 V C57
2018-12-31 14:44:38 s 1 -63847.644 0 +384995.84 4600.0 C57
2018-12-31 15:14:38 S 06 57 15.816 +11 47 26.05 V C57
2018-12-31 15:14:38 s 1 -64766.213 0 +384884.77 5860.0 C57
2018-12-31 16:14:38 S 06 57 11.858 +11 47 11.54 V C57
2018-12-31 16:14:38 s 1 -66598.946 0 +384637.91 5040.0 C57