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
2019-01-04 19:14:38 S 06 50 07.370 +11 19 25.97 V C57
2019-01-04 19:14:38 s 1 -184441.40 0 +190776.85 3060.0 C57
2019-01-04 19:44:38 S 06 50 05.160 +11 19 17.18 V C57
2019-01-04 19:44:38 s 1 -184433.43 9 +188843.55 9760.0 C57
2019-01-04 22:44:38 S 06 49 51.746 +11 18 22.21 V C57
2019-01-04 22:44:38 s 1 -184142.38 7 +177001.29 7150.0 C57
2019-01-04 23:14:38 S 06 49 49.814 +11 18 10.87 V C57
2019-01-04 23:14:38 s 1 -184051.78 7 +174986.78 1410.0 C57
2019-01-04 23:44:38 S 06 49 47.570 +11 18 04.43 V C57
2019-01-04 23:44:38 s 1 -183948.69 7 +172960.51 8850.0 C57
2019-01-05 00:14:38 S 06 49 45.674 +11 17 53.34 V C57
2019-01-05 00:14:38 s 1 -183832.93 6 +170922.42 8490.0 C57
2019-01-05 01:14:38 S 06 49 41.110 +11 17 33.40 V C57
2019-01-05 01:14:38 s 1 -183562.64 7 +166810.65 390.0 C57
2019-01-05 03:14:38 S 06 49 32.460 +11 16 58.66 V C57
2019-01-05 03:14:38 s 1 -182861.50 4 +158443.59 5310.0 C57
2019-01-05 03:44:38 S 06 49 30.046 +11 16 56.39 V C57
2019-01-05 03:44:38 s 1 -182651.56 8 +156321.70 1190.0 C57
2019-01-05 04:14:38 S 06 49 28.378 +11 16 42.82 V C57
2019-01-05 04:14:38 s 1 -182427.34 0 +154187.66 610.0 C57
2019-01-05 04:44:38 S 06 49 26.220 +11 16 31.87 V C57
2019-01-05 04:44:38 s 1 -182188.59 6 +152041.46 2370.0 C57
2019-01-05 05:14:38 S 06 49 23.784 +11 16 22.19 V C57
2019-01-05 05:14:38 s 1 -181935.10 5 +149883.05 5230.0 C57
2019-01-05 05:44:38 S 06 49 21.876 +11 16 13.69 V C57
2019-01-05 05:44:38 s 1 -181666.63 3 +147712.39 7920.0 C57
2019-01-05 06:14:38 S 06 49 19.476 +11 16 03.18 V C57
2019-01-05 06:14:38 s 1 -181382.93 6 +145529.45 9130.0 C57
2019-01-05 06:44:38 S 06 49 17.273 +11 15 52.92 V C57
2019-01-05 06:44:38 s 1 -181083.76 8 +143334.19 7530.0 C57
2019-01-05 07:14:38 S 06 49 15.266 +11 15 45.00 V C57
2019-01-05 07:14:38 s 1 -180768.87 5 +141126.57 1740.0 C57
2019-01-05 07:44:38 S 06 49 12.955 +11 15 36.25 V C57
2019-01-05 07:44:38 s 1 -180437.99 6 +138906.57 350.0 C57
2019-01-05 08:14:38 S 06 49 11.074 +11 15 25.45 V C57
2019-01-05 08:14:38 s 1 -180090.86 4 +136674.15 1900.0 C57
2019-01-05 08:44:38 S 06 49 08.820 +11 15 13.90 V C57
2019-01-05 08:44:38 s 1 -179727.20 6 +134429.27 4910.0 C57
2019-01-05 11:44:38 S 06 48 55.728 +11 14 19.93 V C57
2019-01-05 11:44:38 s 1 -177181.91 5 +120696.96 4740.0 C57
2019-01-05 14:44:38 S 06 48 42.958 +11 13 26.54 V C57
2019-01-05 14:44:38 s 1 -173963.92 0 +106510.34 960.0 C57
2019-01-05 15:14:38 S 06 48 40.934 +11 13 17.58 V C57
2019-01-05 15:14:38 s 1 -173356.85 3 +104101.55 6190.0 C57
2019-01-05 15:44:38 S 06 48 38.722 +11 13 06.46 V C57
2019-01-05 15:44:38 s 1 -172728.54 3 +101680.07 6890.0 C57
2019-01-05 16:14:38 S 06 48 36.583 +11 12 58.61 V C57
2019-01-05 16:14:38 s 1 -172078.57 8 +99245.933 730.0 C57
2019-01-05 16:44:38 S 06 48 34.426 +11 12 45.36 V C57
2019-01-05 16:44:38 s 1 -171406.53 1 +96799.128 5330.0 C57