2025 WA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4995401702 ± 7.75e-04
Semi-major axis (a)1.8303202090 AU ± 2.63e-03
Inclination (i)1.83919078° ± 2.39e-03
Long. of Asc. Node (Ω)340.58237524° ± 2.69e-02
Arg. of Perihelion (ω)32.44446902° ± 2.11e-02
Mean Anomaly (M)14.75180549° ± 3.37e-02
Mean Motion (n)0.3980353682°/day ± 8.59e-04
Perihelion dist (q)0.91600174 AU ± 1.94e-03
Aphelion dist (Q)2.74463868 AU ± 4.19e-03
Orbital Period2.47622790 yr ± 5.34e-03
Physical Parameters
H (abs. magnitude)25.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.270″
Uncertainty2
Orbit TypeApollo
MOID0.006831 AU
Observations Used21
Oppositions1
Arc Total2025-2025
First Observation Used2025-11-24
Last Observation Used2025-12-01
Observations (21)
Date Type RA Dec Mag Band Observatory
2025-11-24 11:53:20 C 06 20 24.063 +50 05 54.09 X F52
2025-11-24 12:09:58 C 06 20 19.594 +50 04 43.59 X F52
2025-11-24 12:26:36 C 06 20 15.146 +50 03 32.79 X F52
2025-11-24 15:09:18 C 06 19 32.683 +49 51 41.75 V F52
2025-11-24 15:10:14 C 06 19 32.450 +49 51 37.52 V F52
2025-11-25 08:09:29 C 06 16 19.085 +48 42 46.94 V I52
2025-11-25 08:11:11 C 06 16 18.685 +48 42 39.85 V I52
2025-11-25 08:12:53 C 06 16 18.343 +48 42 33.88 V I52
2025-11-25 08:14:35 C 06 16 17.972 +48 42 27.72 V I52
2025-11-25 08:16:17 C 06 16 17.612 +48 42 20.95 V I52
2025-11-26 02:32:24 C 06 13 00.350 +47 33 52.63 W J95
2025-11-26 02:56:46 C 06 12 55.666 +47 32 25.30 W J95
2025-11-26 06:09:18 C 06 12 32.065 +47 21 22.14 V I52
2025-11-26 06:16:34 C 06 12 30.690 +47 20 57.98 V I52
2025-11-26 06:21:02 C 06 12 29.840 +47 20 43.12 V I52
2025-11-27 09:24:18 C 06 08 20.440 +45 51 51.55 V I52
2025-11-27 09:25:56 C 06 08 20.173 +45 51 46.66 V I52
2025-11-27 09:32:27 C 06 08 19.000 +45 51 26.80 V I52
2025-11-27 09:34:06 C 06 08 18.760 +45 51 20.50 V I52
2025-12-01 10:25:14 C 05 57 41.742 +41 42 48.24 V I52
2025-12-01 10:30:50 C 05 57 41.108 +41 42 35.39 V I52