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
2025-10-31 13:04:58 C 01 28 22.913 +26 59 34.51 V T05
2025-10-31 13:19:46 C 01 28 19.762 +27 00 03.60 V T05
2025-11-01 02:55:59 C 01 25 31.70 +27 26 43.9 V 691
2025-11-01 02:59:02 C 01 25 31.05 +27 26 50.0 V 691
2025-11-01 03:02:03 C 01 25 30.38 +27 26 55.9 V 691
2025-11-03 02:04:00 C 01 14 42.90 +29 03 42.0 V H21
2025-11-03 02:06:47 C 01 14 42.23 +29 03 48.0 V H21
2025-11-03 02:09:34 C 01 14 41.49 +29 03 53.9 V H21
2025-11-03 02:12:54 C 01 14 40.68 +29 04 00.8 V H21
2025-11-06 20:06:15 B 00 49 34.769 +32 26 00.35 V L65
2025-11-06 20:18:48 B 00 49 30.737 +32 26 29.33 V L65
2025-11-06 20:31:20 B 00 49 26.678 +32 26 59.60 V L65
2025-11-07 22:42:49 C 00 40 48.391 +33 29 16.69 X B67
2025-11-07 22:45:32 C 00 40 47.438 +33 29 23.06 X B67
2025-11-07 22:48:13 C 00 40 46.507 +33 29 29.69 X B67
2025-11-09 05:39:24 C 00 29 46.237 +34 44 08.56 V 703
2025-11-09 05:42:44 C 00 29 44.884 +34 44 16.55 V 703
2025-11-09 05:46:02 C 00 29 43.638 +34 44 24.76 V 703
2025-11-09 05:49:21 C 00 29 42.320 +34 44 33.07 V 703
2025-11-10 04:40:55 C 00 20 55.021 +35 40 05.09 V 703
2025-11-10 04:44:36 C 00 20 53.495 +35 40 13.22 V 703
2025-11-10 04:48:09 C 00 20 52.015 +35 40 22.55 V 703
2025-11-10 05:25:01 C 00 20 36.93 +35 41 51.9 V 691
2025-11-10 05:27:59 C 00 20 35.71 +35 41 58.9 V 691
2025-11-10 05:30:57 C 00 20 34.46 +35 42 05.8 V 691
2025-11-10 10:29:24 C 00 18 33.190 +35 54 12.06 V T05
2025-11-10 10:33:27 C 00 18 31.462 +35 54 21.85 V T05
2025-11-10 10:42:05 C 00 18 27.876 +35 54 41.83 V T05
2025-11-10 11:09:22 C 00 18 16.618 +35 55 45.66 V T05
2025-11-11 04:45:54 C 00 11 00.974 +36 38 23.89 V G96
2025-11-11 04:47:16 C 00 11 00.359 +36 38 27.24 V G96
2025-11-11 04:50:17 C 00 10 59.005 +36 38 33.97 V 703
2025-11-11 04:53:40 C 00 10 57.522 +36 38 42.76 V 703
2025-11-11 04:54:06 C 00 10 57.371 +36 38 43.58 V G96
2025-11-11 04:55:28 C 00 10 56.773 +36 38 46.90 V G96
2025-11-11 04:57:05 C 00 10 56.046 +36 38 51.00 V 703
2025-11-11 05:00:26 C 00 10 54.599 +36 38 58.92 V 703
2025-11-11 05:02:17 C 00 10 53.785 +36 39 03.10 V G96
2025-11-11 05:03:39 C 00 10 53.188 +36 39 06.30 V G96
2025-11-11 05:10:29 C 00 10 50.192 +36 39 22.72 V G96
2025-11-11 05:11:51 C 00 10 49.598 +36 39 25.88 V G96
2025-11-11 22:04:29 C 00 03 29.676 +37 19 57.72 V R17
2025-11-11 22:24:51 C 00 03 20.316 +37 20 46.00 V R17
2025-11-11 22:45:13 C 00 03 10.954 +37 21 34.02 V R17
2025-11-11 23:05:35 C 00 03 01.570 +37 22 21.90 V R17
2025-11-12 05:58:13 C 23 59 55.367 +37 38 38.15 V 703
2025-11-12 06:01:31 C 23 59 53.830 +37 38 44.99 V 703
2025-11-12 06:04:49 C 23 59 52.235 +37 38 50.93 V 703
2025-11-12 06:08:05 C 23 59 50.608 +37 38 58.78 V 703
2025-11-13 01:03:28 C 23 51 04.05 +38 23 17.1 V W46