2025 HC1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5984843555 ± 9.16e-04
Semi-major axis (a)2.6209842219 AU ± 6.10e-03
Inclination (i)22.69285504° ± 1.85e-02
Long. of Asc. Node (Ω)209.52146806° ± 1.48e-03
Arg. of Perihelion (ω)5.85860408° ± 1.15e-03
Mean Anomaly (M)48.46491010° ± 1.69e-01
Mean Motion (n)0.2322820586°/day ± 8.11e-04
Perihelion dist (q)1.05236617 AU ± 3.43e-03
Aphelion dist (Q)4.18960227 AU ± 1.00e-02
Orbital Period4.24323036 yr ± 1.48e-02
Physical Parameters
H (abs. magnitude)25.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.342″
Uncertainty3
Orbit TypeAmor
MOID0.049149 AU
Observations Used44
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-21
Last Observation Used2025-04-29
Observations (44)
Date Type RA Dec Mag Band Observatory
2025-04-21 03:28:17 C 12 02 29.933 -01 26 13.81 V G96
2025-04-21 03:36:23 C 12 02 36.305 -01 23 57.59 V G96
2025-04-21 03:44:28 C 12 02 42.659 -01 21 39.78 V G96
2025-04-21 03:52:33 C 12 02 49.034 -01 19 22.84 V G96
2025-04-21 04:37:46 C 12 03 24.700 -01 06 33.44 V I52
2025-04-21 04:39:03 C 12 03 25.711 -01 06 11.48 V I52
2025-04-21 04:40:21 C 12 03 26.737 -01 05 49.38 V I52
2025-04-21 06:17:02 C 12 04 42.529 -00 38 21.91 W H01
2025-04-21 06:21:11 C 12 04 45.817 -00 37 10.95 W H01
2025-04-21 06:38:06 C 12 04 59.247 -00 32 21.33 W H01
2025-04-21 06:48:39 C 12 05 07.631 -00 29 20.60 W H01
2025-04-21 08:48:21 C 12 06 43.859 +00 04 57.65 V I52
2025-04-21 08:50:00 C 12 06 45.216 +00 05 26.09 V I52
2025-04-21 08:51:39 C 12 06 46.541 +00 05 54.82 V I52
2025-04-21 20:21:43 C 12 16 38.30 +03 25 36.2 V L01
2025-04-21 20:23:52 C 12 16 40.07 +03 26 14.5 V L01
2025-04-21 20:26:00 C 12 16 41.84 +03 26 51.3 V L01
2025-04-21 20:28:07 C 12 16 43.60 +03 27 29.2 V L01
2025-04-21 20:30:16 C 12 16 45.34 +03 28 06.4 V L01
2025-04-21 20:51:57 C 12 17 03.81 +03 34 25.9 V 587
2025-04-21 20:53:16 C 12 17 04.92 +03 34 49.6 V 587
2025-04-21 20:54:36 C 12 17 06.01 +03 35 13.5 V 587
2025-04-22 03:23:00 C 12 22 41.54 +05 29 32.4 V H21
2025-04-22 03:26:08 C 12 22 44.17 +05 30 27.5 V H21
2025-04-22 03:28:54 C 12 22 46.49 +05 31 16.6 V H21
2025-04-22 07:31:41 C 12 26 12.664 +06 43 04.48 V I52
2025-04-22 07:34:39 C 12 26 15.162 +06 43 56.57 V I52
2025-04-22 07:44:30 C 12 26 23.446 +06 46 50.23 V I52
2025-04-22 07:45:53 C 12 26 24.608 +06 47 14.93 V I52
2025-04-24 08:39:20 C 13 10 36.908 +20 40 43.75 V I52
2025-04-24 08:40:05 C 13 10 37.585 +20 40 55.85 V I52
2025-04-24 08:40:50 C 13 10 38.212 +20 41 06.11 V I52
2025-04-24 08:41:36 C 13 10 38.906 +20 41 18.46 V I52
2025-04-25 06:28:32 C 13 30 48.510 +26 06 35.32 V V00
2025-04-25 06:37:30 C 13 30 56.329 +26 08 40.45 V V00
2025-04-25 06:46:28 C 13 31 04.166 +26 10 45.23 V V00
2025-04-27 08:47:57 C 14 15 41.342 +35 56 46.07 V I52
2025-04-27 08:49:42 C 14 15 42.815 +35 57 02.70 V I52
2025-04-27 08:52:51 C 14 15 45.389 +35 57 32.54 V I52
2025-04-27 08:55:59 C 14 15 47.952 +35 58 01.92 V I52
2025-04-29 11:07:05 C 14 56 06.338 +42 18 42.01 V V06
2025-04-29 11:09:13 C 14 56 07.897 +42 18 53.78 V V06
2025-04-29 11:11:21 C 14 56 09.445 +42 19 05.95 V V06
2025-04-29 11:13:29 C 14 56 10.990 +42 19 17.94 V V06