2025 HW12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1954087712 ± 1.55e-04
Semi-major axis (a)1.0596348201 AU ± 1.94e-04
Inclination (i)19.50849276° ± 2.01e-02
Long. of Asc. Node (Ω)215.97587879° ± 1.23e-03
Arg. of Perihelion (ω)248.36545088° ± 3.08e-02
Mean Anomaly (M)279.58578595° ± 1.04e-01
Mean Motion (n)0.9036035837°/day ± 2.48e-04
Perihelion dist (q)0.85257288 AU ± 2.27e-04
Aphelion dist (Q)1.26669676 AU ± 2.84e-04
Orbital Period1.09077288 yr ± 2.99e-04
Physical Parameters
H (abs. magnitude)25.48
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.160″
Uncertainty3
Orbit TypeApollo
MOID0.039986 AU
Observations Used22
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-28
Last Observation Used2025-04-30
Observations (24)
Date Type RA Dec Mag Band Observatory
2025-04-28 11:13:22 C 15 02 06.426 -06 29 25.97 X F51
2025-04-28 11:31:31 C 15 02 04.130 -06 27 13.83 X F51
2025-04-28 12:35:17 C 15 01 56.168 -06 19 28.23 X F51
2025-04-28 22:55:27 C 15 00 55.97 -05 05 42.0 V L01
2025-04-28 23:01:38 C 15 00 55.34 -05 05 00.1 V L01
2025-04-28 23:07:06 C 15 00 54.67 -05 04 20.4 V L01
2025-04-29 12:46:23 C 14 59 31.033 -03 28 57.59 V T14
2025-04-29 12:48:46 C 14 59 30.756 -03 28 41.34 V T14
2025-04-29 12:50:10 C 14 59 30.593 -03 28 31.76 V T14
2025-04-29 12:51:36 C 14 59 30.428 -03 28 22.05 V T14
2025-04-29 22:44:50 B 14 58 37.402 -02 22 23.16 W 204
2025-04-29 23:30:47 B 14 58 32.347 -02 17 19.14 W 204
2025-04-30 05:50:37 C 14 57 55.700 -01 34 12.90 V 807
2025-04-30 06:01:24 C 14 57 54.490 -01 33 03.00 V 807
2025-04-30 06:12:11 C 14 57 53.280 -01 31 53.00 V 807
2025-04-30 06:16:57 C 14 57 55.880 -01 32 43.70 V 291
2025-04-30 06:27:05 C 14 57 54.790 -01 31 38.10 V 291
2025-04-30 06:32:03 C 14 57 54.220 -01 31 06.00 V 291
2025-04-30 06:43:47 C 14 57 53.31 -01 29 52.4 V 673
2025-04-30 06:52:18 C 14 57 52.32 -01 28 57.0 V 673
2025-04-30 09:25:32 C 14 57 34.816 -01 12 26.93 V I52
2025-04-30 09:31:42 C 14 57 34.200 -01 11 46.75 V I52
2025-04-30 09:37:52 C 14 57 33.505 -01 11 07.44 V I52
2025-04-30 09:44:03 C 14 57 32.836 -01 10 27.26 V I52