2025 WJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6382378278 ± 1.99e-05
Semi-major axis (a)2.5551126396 AU ± 1.41e-04
Inclination (i)18.92353091° ± 3.92e-04
Long. of Asc. Node (Ω)250.80930983° ± 5.78e-05
Arg. of Perihelion (ω)117.89041621° ± 1.99e-04
Mean Anomaly (M)8.78151478° ± 8.08e-04
Mean Motion (n)0.2413221582°/day ± 1.99e-05
Perihelion dist (q)0.92434310 AU ± 7.19e-05
Aphelion dist (Q)4.18588218 AU ± 2.36e-04
Orbital Period4.08427594 yr ± 3.37e-04
Physical Parameters
H (abs. magnitude)21.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.208″
Uncertainty0
Orbit TypeApollo
MOID0.108319 AU
Observations Used150
Oppositions1
Arc Total2025-2026
First Observation Used2025-11-25
Last Observation Used2026-01-07
Observations (167)
Date Type RA Dec Mag Band Observatory
2025-12-15 14:53:03 C 03 58 46.58 +08 55 57.0 V D29
2025-12-15 15:04:31 C 03 58 47.50 +08 55 36.9 V D29
2025-12-15 15:13:25 C 03 58 48.32 +08 55 22.4 V D29
2025-12-15 15:24:52 C 03 58 49.28 +08 55 02.6 V D29
2025-12-15 15:33:47 C 03 58 50.04 +08 54 47.9 V D29
2025-12-15 15:45:14 C 03 58 50.98 +08 54 28.4 V D29
2025-12-15 20:57:14 B 03 59 18.715 +08 45 45.78 X N56
2025-12-15 21:07:37 B 03 59 19.649 +08 45 26.74 X N56
2025-12-15 21:18:01 B 03 59 20.509 +08 45 09.99 X N56
2025-12-20 03:15:51 C 04 07 42.690 +06 23 50.86 V I52
2025-12-20 03:19:19 C 04 07 42.949 +06 23 46.21 V I52
2025-12-20 03:24:08 C 04 07 43.244 +06 23 41.42 V I52
2025-12-20 03:28:00 C 04 07 43.518 +06 23 36.82 V I52
2025-12-20 16:40:53 C 04 08 40.896 +06 08 52.37 q M73
2025-12-20 17:55:31 C 04 08 45.919 +06 07 32.05 q M73
2026-01-07 02:33:17 C 04 32 35.06 +02 23 48.3 V H21
2026-01-07 02:37:37 C 04 32 35.24 +02 23 47.8 V H21