2023 HD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4714782000
Semi-major axis (a)0.9447473000 AU
Inclination (i)9.53793000°
Long. of Asc. Node (Ω)212.17607000°
Arg. of Perihelion (ω)233.69015000°
Mean Anomaly (M)5.78774000°
Mean Motion (n)1.0733233400°/day
Perihelion dist (q)0.49931950 AU
Aphelion dist (Q)1.39017510 AU
Orbital Period0.91827650 yr
Physical Parameters
H (abs. magnitude)26.04
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.830″
Uncertainty6
Orbit TypeAten
MOID0.004193 AU
Observations Used58
Oppositions1
Arc Total
First Observation Used
Last Observation Used2023-04-29
Observations (64)
Date Type RA Dec Mag Band Observatory
2023-04-25 09:36:10 C 14 14 48.638 -01 43 44.58 V I52
2023-04-25 16:18:03 C 14 11 02.34 -00 58 02.6 V D29
2023-04-25 16:38:25 C 14 10 49.95 -00 55 50.2 V D29
2023-04-25 16:58:46 C 14 10 37.90 -00 53 41.0 V D29
2023-04-27 01:12:54 C 13 57 02.41 +01 51 11.5 u 807
2023-04-27 01:20:00 C 13 56 59.79 +01 51 39.4 u 807
2023-04-27 01:27:04 C 13 56 57.14 +01 52 07.2 u 807
2023-04-27 04:24:37 C 13 55 58.01 +02 00 27.1 V 691
2023-04-27 04:33:25 C 13 55 54.88 +02 01 00.3 V 691
2023-04-27 04:42:12 C 13 55 51.73 +02 01 33.7 V 691
2023-04-29 05:45:02 C 13 43 53.720 +04 19 11.35 V G96
2023-04-29 05:52:26 C 13 43 52.122 +04 19 27.05 V G96
2023-04-29 06:01:49 C 13 43 50.113 +04 19 47.06 V G96
2023-04-29 06:09:13 C 13 43 48.544 +04 20 02.00 V G96