2025 WC4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4739531629 ± 3.18e-07
Semi-major axis (a)1.5415923478 AU ± 6.44e-08
Inclination (i)26.85956704° ± 2.37e-05
Long. of Asc. Node (Ω)87.30768942° ± 1.52e-05
Arg. of Perihelion (ω)114.41322682° ± 5.16e-05
Mean Anomaly (M)275.12097613° ± 4.04e-05
Mean Motion (n)0.5149415754°/day ± 3.23e-08
Perihelion dist (q)0.81094978 AU ± 4.91e-07
Aphelion dist (Q)2.27223492 AU ± 4.99e-07
Orbital Period1.91405459 yr ± 1.20e-07
Physical Parameters
H (abs. magnitude)20.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.212″
Uncertainty0
Orbit TypeApollo
MOID0.013970 AU
Observations Used110
Oppositions2
Arc Total2021-2026
First Observation Used2021-11-07
Last Observation Used2026-02-27
Observations (112)
Date Type RA Dec Mag Band Observatory
2026-01-23 00:23:48 C 03 08 24.32 +23 08 29.1 V H21
2026-01-23 00:31:01 C 03 08 24.02 +23 08 36.2 V H21
2026-02-05 02:27:07 C 03 00 36.250 +27 55 58.00 V 691
2026-02-05 02:43:07 C 03 00 36.070 +27 56 13.00 V 691
2026-02-06 02:52:53 C 03 00 25.18 +28 18 20.6 V 291
2026-02-06 03:09:31 C 03 00 24.97 +28 18 35.0 V 291
2026-02-06 03:26:10 C 03 00 24.85 +28 18 50.8 V 291
2026-02-10 02:19:34 C 03 00 14.200 +29 45 58.10 V 691
2026-02-10 03:07:11 C 03 00 14.190 +29 46 41.10 V 691
2026-02-27 02:44:11 C 03 08 01.320 +36 09 01.30 V 291
2026-02-27 03:13:03 C 03 08 02.290 +36 09 28.40 V 291
2026-02-27 03:41:58 C 03 08 03.220 +36 09 56.00 V 291