2025 WH9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3644600586 ± 3.08e-05
Semi-major axis (a)1.1014595719 AU ± 8.84e-06
Inclination (i)17.96162980° ± 2.07e-03
Long. of Asc. Node (Ω)255.69560189° ± 5.92e-04
Arg. of Perihelion (ω)8.37856870° ± 1.46e-03
Mean Anomaly (M)139.13856813° ± 3.53e-03
Mean Motion (n)0.8526276927°/day ± 1.03e-05
Perihelion dist (q)0.70002155 AU ± 3.44e-05
Aphelion dist (Q)1.50289759 AU ± 3.61e-05
Orbital Period1.15598671 yr ± 1.39e-05
Physical Parameters
H (abs. magnitude)21.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.119″
Uncertainty1
Orbit TypeApollo
MOID0.293850 AU
Observations Used31
Oppositions1
Arc Total2025-2025
First Observation Used2025-11-26
Last Observation Used2025-12-21
Observations (31)
Date Type RA Dec Mag Band Observatory
2025-11-26 09:05:38 C 04 28 31.184 +31 24 19.76 X F52
2025-11-26 09:20:33 C 04 28 29.047 +31 23 59.78 X F52
2025-11-26 09:35:32 C 04 28 26.866 +31 23 39.43 X F52
2025-11-26 11:07:06 C 04 28 12.863 +31 21 27.52 W H01
2025-11-26 11:11:24 C 04 28 12.260 +31 21 21.59 W H01
2025-11-26 11:31:31 C 04 28 09.420 +31 20 53.61 W H01
2025-11-26 11:38:18 C 04 28 08.472 +31 20 44.20 W H01
2025-11-26 12:25:13 C 04 28 02.426 +31 19 48.12 V F51
2025-11-26 12:26:09 C 04 28 02.297 +31 19 46.75 V F51
2025-11-27 04:03:34 C 04 25 54.779 +30 58 20.46 V V06
2025-11-27 04:05:03 C 04 25 54.581 +30 58 18.37 V V06
2025-11-27 04:06:32 C 04 25 54.368 +30 58 16.46 V V06
2025-11-27 04:08:01 C 04 25 54.167 +30 58 14.66 V V06
2025-11-28 10:45:28 C 04 21 43.498 +30 15 58.87 V T12
2025-11-28 10:47:47 C 04 21 43.176 +30 15 55.68 V T12
2025-11-28 10:50:06 C 04 21 42.854 +30 15 52.50 V T12
2025-12-01 07:05:52 C 04 12 46.264 +28 39 32.94 V I52
2025-12-01 07:11:28 C 04 12 45.511 +28 39 25.09 V I52
2025-12-01 07:17:02 C 04 12 44.780 +28 39 17.10 V I52
2025-12-01 07:22:37 C 04 12 44.032 +28 39 09.18 V I52
2025-12-09 09:07:55 C 03 50 35.340 +24 05 14.82 V I52
2025-12-09 09:25:46 C 03 50 33.457 +24 04 50.34 V I52
2025-12-11 07:43:24 C 03 46 06.54 +23 02 05.4 V 291
2025-12-11 07:53:04 C 03 46 05.62 +23 01 52.3 V 291
2025-12-11 08:02:47 C 03 46 04.70 +23 01 39.2 V 291
2025-12-15 05:52:23 C 03 38 08.008 +21 00 31.09 X F52
2025-12-15 06:10:57 C 03 38 06.520 +21 00 08.33 X F52
2025-12-15 06:29:39 C 03 38 04.977 +20 59 45.29 X F52
2025-12-21 08:02:04 C 03 28 31.336 +18 11 58.78 V V06
2025-12-21 08:11:13 C 03 28 30.817 +18 11 48.91 V V06
2025-12-21 08:20:22 C 03 28 30.317 +18 11 39.23 V V06