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
2026-01-01 08:34:07 C 10 49 40.265 -09 42 56.12 V W68
2026-01-02 00:14:57 C 10 51 13.704 -10 04 37.67 V M22
2026-01-02 00:19:32 C 10 51 14.153 -10 04 43.72 V M22
2026-01-02 00:26:44 C 10 51 14.825 -10 04 53.80 V M22
2026-01-02 00:40:56 C 10 51 16.231 -10 05 13.49 V M22
2026-01-11 01:34:43 C 11 14 30.732 -15 32 58.27 V M22
2026-01-11 01:37:20 C 11 14 31.015 -15 33 02.48 V M22
2026-01-11 02:10:26 C 11 14 34.766 -15 33 56.81 V M22
2026-01-11 02:38:56 C 11 14 37.968 -15 34 43.07 V M22
2026-01-11 11:05:58 C 11 15 37.889 -15 48 46.37 V T08
2026-01-11 11:08:36 C 11 15 38.189 -15 48 50.80 V T08
2026-01-11 11:46:16 C 11 15 42.485 -15 49 53.36 V T08