IAA RAS IAA Minor Planet Database

2023 HC1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5349475000
Semi-major axis (a)2.0046286000 AU
Inclination (i)7.13030000°
Long. of Asc. Node (Ω)205.56661000°
Arg. of Perihelion (ω)318.69727000°
Mean Anomaly (M)341.06352000°
Mean Motion (n)0.3472587400°/day
Perihelion dist (q)0.93225750 AU
Aphelion dist (Q)3.07699970 AU
Orbital Period2.83825150 yr
Physical Parameters
H (abs. magnitude)27.41
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.890″
Uncertainty7
Orbit TypeApollo
MOID0.008187 AU
Observations Used33
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2023-04-20
Observations (37)
Date Type RA Dec Mag Band Observatory
2023-04-17 07:51:35 C 12 41 52.854 +00 22 44.58 – V G96
2023-04-17 07:59:40 C 12 42 08.521 +00 23 05.53 – V G96
2023-04-17 08:07:45 C 12 42 24.174 +00 23 26.41 – V G96
2023-04-17 08:15:52 C 12 42 39.773 +00 23 47.00 – V G96
2023-04-17 09:00:13 C 12 44 05.312 +00 25 41.27 – V I52
2023-04-17 09:01:49 C 12 44 08.376 +00 25 45.08 – V I52
2023-04-17 09:03:24 C 12 44 11.425 +00 25 49.30 – V I52
2023-04-17 09:04:59 C 12 44 14.435 +00 25 53.26 – V I52
2023-04-17 10:05:13 C 12 46 09.498 +00 28 24.82 – V I52
2023-04-17 10:06:01 C 12 46 11.057 +00 28 27.41 – V I52
2023-04-17 10:06:49 C 12 46 12.590 +00 28 29.35 – V I52
2023-04-17 10:07:38 C 12 46 14.138 +00 28 31.62 – V I52
2023-04-17 20:51:06 C 13 06 01.21 +00 52 05.3 – X 958
2023-04-17 21:02:44 C 13 06 19.81 +00 52 30.7 – X 958
2023-04-17 21:14:18 C 13 06 38.11 +00 52 55.1 – X 958
2023-04-17 22:46:26 C 13 09 01.969 +00 56 33.96 – V Z84
2023-04-17 22:52:52 C 13 09 11.736 +00 56 47.25 – V Z84
2023-04-17 23:37:52 C 13 10 19.349 +00 57 13.10 – V J95
2023-04-17 23:45:51 C 13 10 31.397 +00 57 28.98 – V J95
2023-04-18 04:19:50 C 13 17 34.11 +01 07 02.4 – u H21
2023-04-18 04:23:51 C 13 17 39.76 +01 07 09.9 – u H21
2023-04-18 04:31:55 C 13 17 50.95 +01 07 24.7 – u H21
2023-04-18 05:11:20 C 13 18 52.823 +01 09 09.00 – V I52
2023-04-18 05:14:15 C 13 18 56.848 +01 09 14.22 – V I52
2023-04-18 05:15:43 C 13 18 58.842 +01 09 16.96 – V I52
2023-04-18 12:50:22 C 13 29 09.31 +01 28 31.7 – V 474
2023-04-18 12:52:15 C 13 29 11.64 +01 28 34.6 – V 474
2023-04-18 13:12:27 C 13 29 36.27 +01 29 05.2 – V 474
2023-04-19 03:00:25 C 13 45 44.36 +01 46 36.4 – u 807
2023-04-19 03:07:27 C 13 45 51.31 +01 46 46.0 – u 807
2023-04-19 03:14:29 C 13 45 58.06 +01 46 53.2 – u 807
2023-04-19 05:18:25 C 13 48 07.164 +01 44 24.04 – V I52
2023-04-19 05:21:08 C 13 48 09.709 +01 44 27.28 – V I52
2023-04-19 05:22:29 C 13 48 10.969 +01 44 28.79 – V I52
2023-04-20 04:03:43 C 14 07 44.31 +02 10 55.3 – u 807
2023-04-20 04:13:09 C 14 07 50.75 +02 11 03.0 – u 807
2023-04-20 04:22:37 C 14 07 57.23 +02 11 10.7 – u 807