2023 HD2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6527576305 ± 5.97e-04
Semi-major axis (a)2.8266502613 AU ± 4.82e-03
Inclination (i)0.04394358° ± 3.69e-05
Long. of Asc. Node (Ω)126.75723947° ± 3.73e-02
Arg. of Perihelion (ω)52.34250301° ± 3.74e-02
Mean Anomaly (M)201.19122730° ± 5.16e-01
Mean Motion (n)0.2073978074°/day ± 5.31e-04
Perihelion dist (q)0.98153273 AU ± 2.38e-03
Aphelion dist (Q)4.67176779 AU ± 8.15e-03
Orbital Period4.75234669 yr ± 1.22e-02
Physical Parameters
H (abs. magnitude)26.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.480″
Uncertainty3
Orbit TypeApollo
MOID0.000490 AU
Observations Used23
Oppositions1
Arc Total2023-2023
First Observation Used2023-04-16
Last Observation Used2023-04-21
Observations (25)
Date Type RA Dec Mag Band Observatory
2023-04-16 06:58:56 C 12 12 13.83 +00 35 27.6 U I41
2023-04-16 06:59:26 C 12 12 14.78 +00 35 21.5 U I41
2023-04-16 08:17:23 C 12 14 45.48 +00 17 49.8 U I41
2023-04-16 08:17:53 C 12 14 46.53 +00 17 42.6 U I41
2023-04-19 07:50:19 C 14 01 51.496 -11 03 54.29 V G96
2023-04-19 07:57:45 C 14 01 58.667 -11 04 38.57 V G96
2023-04-19 08:12:33 C 14 02 12.955 -11 06 06.08 V G96
2023-04-19 21:55:27 C 14 15 33.25 -12 21 03.3 X 958
2023-04-19 22:05:48 C 14 15 42.01 -12 21 54.5 X 958
2023-04-19 22:16:09 C 14 15 50.77 -12 22 46.3 X 958
2023-04-19 23:48:49 C 14 17 08.153 -12 30 42.52 V J95
2023-04-19 23:52:41 C 14 17 11.347 -12 31 01.27 V J95
2023-04-19 23:56:35 C 14 17 14.616 -12 31 20.46 V J95
2023-04-20 00:00:26 C 14 17 17.806 -12 31 38.42 V J95
2023-04-20 02:16:53 C 14 19 12.10 -12 41 30.3 V J04
2023-04-20 02:55:15 C 14 19 55.58 -12 40 33.6 u 807
2023-04-20 03:01:09 C 14 20 00.33 -12 41 01.7 u 807
2023-04-20 03:07:03 C 14 20 05.00 -12 41 30.4 u 807
2023-04-20 06:05:30 C 14 22 23.28 -12 55 42.8 V W94
2023-04-20 06:14:32 C 14 22 30.15 -12 56 22.1 V W94
2023-04-20 06:23:42 C 14 22 37.27 -12 57 02.9 V W94
2023-04-21 09:59:03 C 14 42 33.527 -14 44 49.70 V G96
2023-04-21 10:06:18 C 14 42 37.782 -14 45 12.46 V G96
2023-04-21 10:13:34 C 14 42 42.037 -14 45 34.38 V G96
2023-04-21 10:20:50 C 14 42 46.296 -14 45 56.63 V G96