2025 WH4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8118668351 ± 1.17e-03
Semi-major axis (a)2.7753366568 AU ± 1.53e-02
Inclination (i)13.21682623° ± 2.36e-02
Long. of Asc. Node (Ω)65.87743750° ± 1.36e-03
Arg. of Perihelion (ω)255.04150949° ± 3.32e-03
Mean Anomaly (M)10.55923956° ± 9.46e-02
Mean Motion (n)0.2131762255°/day ± 1.76e-03
Perihelion dist (q)0.52213287 AU ± 4.33e-03
Aphelion dist (Q)5.02854044 AU ± 2.78e-02
Orbital Period4.62352817 yr ± 3.81e-02
Physical Parameters
H (abs. magnitude)24.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.229″
Uncertainty2
Orbit TypeApollo
MOID0.045142 AU
Observations Used27
Oppositions1
Arc Total2025-2025
First Observation Used2025-11-24
Last Observation Used2025-11-29
Observations (27)
Date Type RA Dec Mag Band Observatory
2025-11-24 09:03:47 C 04 20 16.080 +14 58 06.86 X F52
2025-11-24 09:21:34 C 04 20 10.130 +14 59 19.53 X F52
2025-11-24 09:39:18 C 04 20 04.219 +15 00 31.63 X F52
2025-11-24 09:57:12 C 04 19 58.239 +15 01 44.55 X F52
2025-11-24 12:24:47 C 04 19 09.534 +15 11 33.10 V F51
2025-11-24 12:25:43 C 04 19 09.239 +15 11 36.66 V F51
2025-11-25 04:50:48 C 04 14 24.752 +16 12 17.93 V I52
2025-11-25 04:51:23 C 04 14 24.587 +16 12 19.22 V I52
2025-11-25 04:53:46 C 04 14 23.888 +16 12 27.65 V I52
2025-11-25 04:58:30 C 04 14 22.528 +16 12 43.99 V I52
2025-11-25 06:32:25 C 04 13 53.120 +16 19 05.70 V 807
2025-11-25 06:43:42 C 04 13 49.910 +16 19 44.20 V 807
2025-11-25 06:54:59 C 04 13 46.680 +16 20 22.40 V 807
2025-11-25 15:03:24 C 04 11 39.97 +16 46 24.7 V D29
2025-11-25 15:23:46 C 04 11 34.42 +16 47 29.4 V D29
2025-11-25 15:44:08 C 04 11 28.93 +16 48 33.9 V D29
2025-11-26 00:33:11 B 04 09 16.34 +17 15 40.5 V I93
2025-11-26 00:42:55 B 04 09 13.87 +17 16 09.3 V I93
2025-11-26 00:50:51 B 04 09 11.89 +17 16 32.5 V I93
2025-11-26 03:00:42 C 04 08 42.690 +17 24 00.00 V 807
2025-11-26 03:11:37 C 04 08 39.930 +17 24 32.10 V 807
2025-11-26 03:22:31 C 04 08 37.200 +17 25 03.50 V 807
2025-11-27 02:49:55 C 04 03 28.420 +18 27 18.60 V 691
2025-11-27 03:09:18 C 04 03 24.320 +18 28 07.60 V 691
2025-11-29 09:15:10 C 03 53 53.860 +20 20 51.80 V 691
2025-11-29 09:39:26 C 03 53 50.060 +20 21 33.10 V 691
2025-11-29 10:03:42 C 03 53 46.290 +20 22 14.60 V 691