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
2019-01-01 10:14:38 s 1 -98407.781 0 +374581.48 5810.0 C57
2019-01-01 11:14:38 S 06 55 51.970 +11 41 54.82 V C57
2019-01-01 11:14:38 s 1 -100099.05 4 +373711.50 4980.0 C57
2019-01-01 12:44:38 S 06 55 46.133 +11 41 34.66 V C57
2019-01-01 12:44:38 s 1 -102618.82 3 +372345.01 1400.0 C57
2019-01-01 13:14:38 S 06 55 43.642 +11 41 24.83 V C57
2019-01-01 13:14:38 s 1 -103454.08 7 +371873.09 9090.0 C57
2019-01-01 13:44:38 S 06 55 41.664 +11 41 20.72 V C57
2019-01-01 13:44:38 s 1 -104286.98 4 +371392.97 2680.0 C57
2019-01-01 14:14:38 S 06 55 39.754 +11 41 14.03 V C57
2019-01-01 14:14:38 s 1 -105117.49 3 +370904.63 2040.0 C57
2019-01-01 14:44:38 S 06 55 37.738 +11 41 02.18 V C57
2019-01-01 14:44:38 s 1 -105945.59 0 +370408.07 7060.0 C57
2019-01-01 15:14:38 S 06 55 35.611 +11 40 54.26 V C57
2019-01-01 15:14:38 s 1 -106771.25 3 +369903.28 7600.0 C57
2019-01-01 15:44:38 S 06 55 32.988 +11 40 46.63 V C57
2019-01-01 15:44:38 s 1 -107594.45 8 +369390.27 3540.0 C57
2019-01-01 16:44:38 S 06 55 28.872 +11 40 28.34 V C57
2019-01-01 16:44:38 s 1 -109233.40 7 +368339.56 1090.0 C57
2019-01-01 18:14:38 S 06 55 22.620 +11 40 05.23 V C57
2019-01-01 18:14:38 s 1 -111672.82 5 +366701.68 9730.0 C57
2019-01-01 18:44:38 S 06 55 20.402 +11 39 56.70 V C57
2019-01-01 18:44:38 s 1 -112480.80 3 +366139.22 5360.0 C57
2019-01-01 19:14:38 S 06 55 19.046 +11 39 51.70 V C57
2019-01-01 19:14:38 s 1 -113286.16 0 +365568.51 5500.0 C57
2019-01-02 01:44:38 S 06 54 51.149 +11 38 01.68 V C57
2019-01-02 01:44:38 s 1 -123506.26 8 +357395.20 6110.0 C57
2019-01-02 02:44:38 S 06 54 46.618 +11 37 44.08 V C57
2019-01-02 02:44:38 s 1 -125035.45 3 +356012.96 6680.0 C57
2019-01-02 05:44:38 S 06 54 33.809 +11 36 55.40 V C57
2019-01-02 05:44:38 s 1 -129549.59 8 +351665.30 9440.0 C57
2019-01-02 06:14:38 S 06 54 31.639 +11 36 49.32 V C57
2019-01-02 06:14:38 s 1 -130290.96 4 +350911.29 4150.0 C57
2019-01-02 06:44:38 S 06 54 29.364 +11 36 38.16 V C57
2019-01-02 06:44:38 s 1 -131029.11 6 +350148.87 160.0 C57
2019-01-02 07:14:38 S 06 54 27.679 +11 36 31.97 V C57
2019-01-02 07:14:38 s 1 -131764.02 6 +349378.01 7320.0 C57
2019-01-02 15:14:38 S 06 53 53.071 +11 34 21.11 V C57
2019-01-02 15:14:38 s 1 -143057.56 6 +335889.00 1270.0 C57
2019-01-02 16:14:38 S 06 53 48.598 +11 33 58.54 V C57
2019-01-02 16:14:38 s 1 -144404.20 3 +334048.67 4730.0 C57
2019-01-02 16:44:38 S 06 53 46.445 +11 33 51.05 V C57
2019-01-02 16:44:38 s 1 -145071.79 3 +333115.54 3660.0 C57
2019-01-02 17:14:38 S 06 53 44.453 +11 33 40.07 V C57
2019-01-02 17:14:38 s 1 -145735.52 0 +332173.74 470.0 C57
2019-01-02 18:44:38 S 06 53 37.548 +11 33 20.66 V C57
2019-01-02 18:44:38 s 1 -147703.17 5 +329296.21 6480.0 C57
2019-01-03 00:17:54 C 06 53 22.05 +11 28 35.1 q 160
2019-01-03 00:20:51 C 06 53 21.92 +11 28 33.4 q 160
2019-01-03 00:23:48 C 06 53 21.73 +11 28 32.4 q 160