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
2025-11-13 01:10:26 C 23 51 00.66 +38 23 33.2 V W46
2025-11-13 01:16:26 C 23 50 57.73 +38 23 46.6 V W46
2025-11-13 17:50:34 C 23 42 52.88 +39 01 21.6 X L18
2025-11-13 17:55:44 C 23 42 50.26 +39 01 33.2 X L18
2025-11-13 18:00:44 C 23 42 47.73 +39 01 44.6 X L18
2025-11-13 18:05:37 C 23 42 45.21 +39 01 55.7 X L18
2025-11-16 08:40:34 C 23 09 07.997 +41 11 50.96 V T08
2025-11-16 08:41:53 C 23 09 07.183 +41 11 53.88 V T08
2025-11-16 08:53:46 C 23 09 00.214 +41 12 14.62 V T08
2025-11-16 08:55:05 C 23 08 59.446 +41 12 16.85 V T08
2025-11-16 08:59:02 C 23 08 57.086 +41 12 23.33 V T08
2025-11-16 08:59:42 C 23 08 56.767 +41 12 25.02 V T08
2025-11-16 09:14:52 C 23 08 47.858 +41 12 51.62 V T08
2025-11-16 09:18:49 C 23 08 45.547 +41 12 58.50 V T08
2025-11-17 20:47:15 C 22 47 43.032 +42 13 07.75 V R17
2025-11-17 21:07:37 C 22 47 30.216 +42 13 38.21 V R17
2025-11-17 21:28:02 C 22 47 17.366 +42 14 08.38 V R17
2025-11-17 21:48:22 C 22 47 04.488 +42 14 37.79 V R17
2025-11-17 23:35:20 C 22 45 57.845 +42 16 48.00 Z J69
2025-11-17 23:37:28 B 22 45 56.234 +42 16 53.08 q Y84
2025-11-17 23:41:54 B 22 45 53.453 +42 16 59.88 q Y84
2025-11-17 23:42:13 C 22 45 53.542 +42 16 57.72 Z J69
2025-11-17 23:46:19 B 22 45 50.779 +42 17 05.50 q Y84
2025-11-17 23:55:58 C 22 45 44.928 +42 17 16.91 Z J69
2025-11-18 18:23:15 B 22 34 15.372 +42 43 15.60 X K19
2025-11-18 18:28:25 B 22 34 12.010 +42 43 22.04 X K19
2025-11-18 18:33:37 B 22 34 08.628 +42 43 28.74 X K19
2025-11-21 21:21:46 B 21 44 45.014 +43 43 12.40 q Y84
2025-11-21 21:26:14 B 21 44 41.969 +43 43 12.97 q Y84
2025-11-21 21:30:41 B 21 44 38.911 +43 43 14.12 q Y84
2025-11-25 05:47:55 C 20 50 21.178 +43 19 24.64 V T05
2025-11-25 05:53:11 C 20 50 17.585 +43 19 19.70 V T05
2025-11-25 06:08:40 C 20 50 07.102 +43 19 04.22 V T05
2025-11-25 06:26:41 C 20 49 54.888 +43 18 46.98 V T05
2025-11-28 05:02:38 C 20 04 53.580 +41 43 54.95 V T08
2025-11-28 05:09:18 C 20 04 49.471 +41 43 42.85 V T08
2025-11-28 05:19:49 C 20 04 43.013 +41 43 22.62 V T08
2025-11-28 05:24:26 C 20 04 40.138 +41 43 14.66 V T08
2025-11-30 02:33:38 C 19 38 24.47 +40 13 14.8 V 291
2025-11-30 02:34:47 C 19 38 23.78 +40 13 11.9 V 291
2025-11-30 02:35:56 C 19 38 23.16 +40 13 09.0 V 291