2004 HF12

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6487250804 ± 2.62e-08
Semi-major axis (a)2.1353635061 AU ± 1.62e-09
Inclination (i)13.41185020° ± 9.38e-06
Long. of Asc. Node (Ω)21.78936688° ± 9.25e-06
Arg. of Perihelion (ω)105.97664406° ± 8.67e-06
Mean Anomaly (M)344.80212365° ± 1.91e-06
Mean Motion (n)0.3158672154°/day ± 3.59e-10
Perihelion dist (q)0.75009964 AU ± 5.59e-08
Aphelion dist (Q)3.52062737 AU ± 5.60e-08
Orbital Period3.12038172 yr ± 3.55e-09
Physical Parameters
H (abs. magnitude)20.38
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.293″
Uncertainty0
Orbit TypeApollo
MOID0.019405 AU
Observations Used271
Oppositions14
Arc Total2004-2025
First Observation Used2004-04-20
Last Observation Used2025-11-30
Observations (291)
Date Type RA Dec Mag Band Observatory
2025-10-26 16:04:40 C 01 49 00.24 +23 32 46.5 V D29
2025-10-26 16:25:02 C 01 48 57.05 +23 33 18.7 V D29
2025-10-26 23:11:04 B 01 47 56.280 +23 44 05.82 X K19
2025-10-26 23:16:22 B 01 47 55.416 +23 44 14.28 X K19
2025-10-26 23:21:40 B 01 47 54.569 +23 44 22.78 X K19
2025-10-27 15:04:02 C 01 45 28.625 +24 10 38.10 V P07
2025-10-27 16:13:09 C 01 45 17.054 +24 12 32.00 V P07
2025-10-27 17:21:32 C 01 45 05.575 +24 14 25.66 V P07
2025-10-27 18:26:19 C 01 44 54.770 +24 16 12.14 V P07
2025-10-27 21:53:43 B 01 44 23.023 +24 21 31.21 X K19
2025-10-27 21:58:54 B 01 44 22.159 +24 21 40.00 X K19
2025-10-27 22:04:05 B 01 44 21.310 +24 21 48.74 X K19
2025-10-28 04:40:09 C 01 43 17.18 +24 33 03.3 V 691
2025-10-28 04:45:33 C 01 43 16.26 +24 33 12.6 V 691
2025-10-28 04:50:57 C 01 43 15.34 +24 33 21.9 V 691
2025-10-28 08:15:12 C 01 42 39.776 +24 39 09.76 V 703
2025-10-28 08:22:06 C 01 42 38.524 +24 39 21.67 V 703
2025-10-28 08:25:32 C 01 42 38.009 +24 39 27.18 V 703
2025-10-28 13:10:32 C 01 41 52.08 +24 47 37.1 V D29
2025-10-28 13:30:54 C 01 41 48.52 +24 48 12.7 V D29
2025-10-28 13:51:16 C 01 41 44.91 +24 48 48.4 V D29
2025-10-28 18:11:58 C 01 41 01.250 +24 56 09.60 X B67
2025-10-28 18:18:59 C 01 41 00.026 +24 56 21.23 X B67
2025-10-28 18:25:38 C 01 40 58.865 +24 56 33.14 X B67
2025-10-28 19:16:57 B 01 40 49.999 +24 58 04.91 X K19
2025-10-28 19:22:26 B 01 40 49.056 +24 58 14.41 X K19
2025-10-28 19:27:48 B 01 40 48.065 +24 58 24.64 X K19
2025-10-28 21:37:37 B 01 40 24.833 +25 02 13.68 W 130
2025-10-28 21:49:00 B 01 40 22.795 +25 02 33.64 W 130
2025-10-28 22:00:04 B 01 40 20.808 +25 02 53.07 W 130
2025-10-29 05:55:50 C 01 38 57.804 +25 16 59.27 V 703
2025-10-29 05:59:06 C 01 38 57.041 +25 17 05.24 V 703
2025-10-29 06:02:22 C 01 38 56.476 +25 17 10.75 V 703
2025-10-29 06:05:37 C 01 38 55.846 +25 17 16.87 V 703
2025-10-29 10:11:05 C 01 38 11.654 +25 24 40.43 V T05
2025-10-29 10:15:41 C 01 38 10.740 +25 24 48.67 V T05
2025-10-29 10:24:50 C 01 38 08.990 +25 25 05.23 V T05
2025-10-29 10:39:13 C 01 38 06.271 +25 25 30.76 V T05
2025-10-30 05:51:14 C 01 34 35.296 +26 00 22.21 V 703
2025-10-30 05:54:40 C 01 34 34.514 +26 00 29.12 V 703
2025-10-30 06:01:21 C 01 34 33.193 +26 00 40.18 V 703
2025-10-30 06:50:36 C 01 34 25.039 +26 02 14.31 X F51
2025-10-30 07:18:45 C 01 34 19.476 +26 03 07.39 X F51
2025-10-30 07:32:52 C 01 34 16.677 +26 03 33.98 X F51
2025-10-31 05:25:14 C 01 29 59.082 +26 44 45.38 V 703
2025-10-31 05:28:36 C 01 29 58.402 +26 44 52.15 V 703
2025-10-31 05:32:01 C 01 29 57.656 +26 44 59.10 V 703
2025-10-31 05:35:27 C 01 29 56.926 +26 45 05.62 V 703
2025-10-31 12:50:20 C 01 28 25.987 +26 59 07.37 V T05
2025-10-31 12:55:06 C 01 28 25.001 +26 59 15.97 V T05