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
2025-10-18 09:47:44 C 02 11 39.775 +19 06 30.38 V G96
2025-10-18 09:55:05 C 02 11 39.124 +19 06 38.52 V G96
2025-10-20 08:03:50 C 02 07 27.830 +20 00 27.30 U I41
2025-10-20 08:05:11 C 02 07 27.677 +20 00 29.10 U I41
2025-10-21 07:08:12 C 02 05 08.987 +20 29 03.30 U I41
2025-10-21 09:07:19 C 02 04 55.888 +20 31 33.98 U I41
2025-10-21 17:32:34 C 02 04 02.41 +20 42 21.4 V D29
2025-10-21 17:52:56 C 02 04 00.10 +20 42 47.3 V D29
2025-10-21 18:13:17 C 02 03 57.82 +20 43 13.3 V D29
2025-10-22 06:55:39 C 02 02 35.755 +20 59 49.80 U I41
2025-10-22 09:11:03 C 02 02 19.773 +21 02 48.99 U I41
2025-10-22 09:22:09 C 02 02 18.412 +21 03 03.68 U I41
2025-10-22 15:11:04 C 02 01 40.04 +21 10 49.6 V D29
2025-10-22 15:31:26 C 02 01 37.58 +21 11 16.9 V D29
2025-10-22 15:51:47 C 02 01 35.16 +21 11 44.5 V D29
2025-10-22 20:03:38 C 02 01 05.55 +21 17 24.1 V N54
2025-10-22 20:05:51 C 02 01 05.29 +21 17 27.1 V N54
2025-10-22 20:47:44 C 02 01 00.19 +21 18 23.3 V N54
2025-10-22 20:50:31 C 02 00 59.86 +21 18 26.8 V N54
2025-10-22 21:02:55 B 02 01 00.29 +21 18 39.8 X 958
2025-10-22 21:14:52 B 02 00 58.93 +21 18 54.4 X 958
2025-10-22 21:26:52 B 02 00 57.40 +21 19 11.0 X 958
2025-10-22 21:33:04 C 02 00 54.72 +21 19 23.6 V N54
2025-10-22 21:35:51 C 02 00 54.43 +21 19 27.5 V N54
2025-10-22 21:37:40 B 02 00 55.52 +21 19 25.9 X M45
2025-10-22 21:38:51 B 02 00 55.349 +21 19 28.34 V S47
2025-10-22 21:50:08 B 02 00 53.99 +21 19 42.8 X M45
2025-10-22 21:51:01 B 02 00 53.842 +21 19 44.80 V S47
2025-10-22 22:01:23 B 02 00 52.610 +21 19 58.76 V S47
2025-10-23 01:00:28 B 02 00 33.190 +21 24 01.58 Z W05
2025-10-23 01:06:44 B 02 00 32.434 +21 24 10.44 Z W05
2025-10-23 01:12:30 B 02 00 31.778 +21 24 18.76 Z W05
2025-10-23 04:17:44 C 02 00 09.10 +21 28 34.0 V H21
2025-10-23 04:21:46 C 02 00 08.60 +21 28 39.7 V H21
2025-10-23 04:25:47 C 02 00 08.10 +21 28 45.3 V H21
2025-10-23 04:29:49 C 02 00 07.61 +21 28 50.8 V H21
2025-10-24 18:12:15 C 01 55 26.64 +22 22 20.5 Z L04
2025-10-24 18:16:16 C 01 55 26.11 +22 22 27.0 Z L04
2025-10-25 07:00:06 C 01 53 42.824 +22 41 32.93 V 703
2025-10-25 07:06:42 C 01 53 42.022 +22 41 41.64 V 703
2025-10-25 07:09:59 C 01 53 41.586 +22 41 47.26 V 703
2025-10-26 05:34:29 C 01 50 33.598 +23 16 10.13 V G96
2025-10-26 05:42:36 C 01 50 32.363 +23 16 22.94 V G96
2025-10-26 05:50:44 C 01 50 31.117 +23 16 35.87 V G96
2025-10-26 05:58:51 C 01 50 29.890 +23 16 48.83 V G96
2025-10-26 07:01:17 C 01 50 20.296 +23 18 27.36 V 703
2025-10-26 07:04:33 C 01 50 19.885 +23 18 31.61 V 703
2025-10-26 07:07:50 C 01 50 19.280 +23 18 36.32 V 703
2025-10-26 07:11:07 C 01 50 18.892 +23 18 41.69 V 703
2025-10-26 15:44:18 C 01 49 03.43 +23 32 14.0 V D29