2025 HH1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5480877013 ± 6.96e-04
Semi-major axis (a)1.3034739586 AU ± 1.31e-03
Inclination (i)13.46146687° ± 2.02e-02
Long. of Asc. Node (Ω)206.67184863° ± 5.01e-04
Arg. of Perihelion (ω)106.35598113° ± 5.51e-03
Mean Anomaly (M)102.36248794° ± 1.31e-01
Mean Motion (n)0.6623060734°/day ± 9.98e-04
Perihelion dist (q)0.58905591 AU ± 1.08e-03
Aphelion dist (Q)2.01789200 AU ± 2.22e-03
Orbital Period1.48817340 yr ± 2.24e-03
Physical Parameters
H (abs. magnitude)25.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.467″
Uncertainty3
Orbit TypeApollo
MOID0.025062 AU
Observations Used42
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-21
Last Observation Used2025-04-23
Observations (42)
Date Type RA Dec Mag Band Observatory
2025-04-21 18:50:36 C 12 23 15.20 +22 52 08.9 X L51
2025-04-21 18:52:16 C 12 23 13.60 +22 52 59.0 X L51
2025-04-21 18:53:47 C 12 23 12.00 +22 53 44.2 X L51
2025-04-21 19:35:23 C 12 22 30.99 +23 14 31.5 X L51
2025-04-21 19:37:51 C 12 22 28.55 +23 15 45.8 X L51
2025-04-21 19:40:11 C 12 22 26.23 +23 16 56.4 X L51
2025-04-21 20:10:12 C 12 22 00.14 +23 31 54.1 V L01
2025-04-21 20:11:27 C 12 21 58.93 +23 32 31.5 V L01
2025-04-21 20:13:03 C 12 21 57.35 +23 33 19.5 V L01
2025-04-21 20:14:17 C 12 21 56.13 +23 33 56.9 V L01
2025-04-21 22:17:40 C 12 19 50.88 +24 36 38.9 V 587
2025-04-21 22:19:30 C 12 19 48.98 +24 37 35.2 V 587
2025-04-21 22:22:03 C 12 19 46.30 +24 38 53.1 V 587
2025-04-21 23:53:55 B 12 18 09.773 +25 26 11.72 W 204
2025-04-22 00:03:47 B 12 17 59.258 +25 31 18.41 W 204
2025-04-22 01:47:45 C 12 16 25.42 +26 26 15.0 V H21
2025-04-22 01:49:43 C 12 16 23.28 +26 27 17.7 V H21
2025-04-22 01:51:45 C 12 16 21.05 +26 28 22.7 V H21
2025-04-22 01:54:02 C 12 16 18.53 +26 29 35.9 V H21
2025-04-22 03:34:55 B 12 14 26.616 +27 23 33.47 Z H36
2025-04-22 03:50:34 B 12 14 08.638 +27 31 59.12 Z H36
2025-04-22 05:16:18 B 12 12 28.315 +28 18 22.10 X 734
2025-04-22 05:26:06 B 12 12 16.730 +28 23 39.48 X 734
2025-04-22 05:35:46 B 12 12 05.198 +28 28 55.24 X 734
2025-04-22 07:00:15 C 12 10 26.213 +29 15 33.19 V I52
2025-04-22 07:01:19 C 12 10 24.902 +29 16 08.11 V I52
2025-04-22 07:02:22 C 12 10 23.642 +29 16 42.96 V I52
2025-04-22 07:03:25 C 12 10 22.346 +29 17 17.38 V I52
2025-04-22 18:13:19 B 11 55 59.74 +35 38 44.9 V M75
2025-04-22 18:25:44 B 11 55 40.83 +35 46 05.2 V M75
2025-04-22 20:07:05 B 11 53 10.37 +36 45 50.5 X 595
2025-04-22 20:13:34 B 11 53 00.12 +36 49 41.6 X 595
2025-04-22 20:20:05 B 11 52 49.89 +36 53 32.6 X 595
2025-04-22 20:25:48 B 11 52 44.24 +36 56 55.6 V I93
2025-04-22 20:30:06 B 11 52 37.47 +36 59 28.8 V I93
2025-04-22 20:34:19 B 11 52 30.77 +37 01 59.3 V I93
2025-04-22 21:02:03 B 11 51 41.86 +37 18 12.0 X G02
2025-04-22 21:15:06 B 11 51 20.95 +37 25 55.5 X G02
2025-04-23 01:42:29 C 11 44 16.83 +40 06 05.2 V H21
2025-04-23 01:52:03 C 11 43 59.88 +40 11 52.0 V H21
2025-04-23 01:53:52 C 11 43 56.62 +40 12 58.1 V H21
2025-04-23 01:56:09 C 11 43 52.59 +40 14 20.5 V H21