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
2023-04-23 08:36:04 C 15 06 15.98 -11 34 09.0 U I41
2023-04-23 08:36:34 C 15 06 15.06 -11 33 59.5 U I41
2023-04-23 09:22:20 C 15 04 50.76 -11 19 19.6 U I41
2023-04-23 09:22:50 C 15 04 49.81 -11 19 10.0 U I41
2023-04-23 10:15:09 C 15 03 13.612 -11 02 35.38 V I52
2023-04-23 10:15:24 C 15 03 13.176 -11 02 30.80 V I52
2023-04-23 10:15:39 C 15 03 12.740 -11 02 26.34 V I52
2023-04-23 10:15:53 C 15 03 12.294 -11 02 21.41 V I52
2023-04-23 10:45:38 C 15 02 23.501 -10 53 34.83 V U74
2023-04-23 10:46:01 C 15 02 22.844 -10 53 26.91 V U74
2023-04-23 10:59:23 C 15 01 59.727 -10 49 17.79 V U74
2023-04-23 10:59:46 C 15 01 59.083 -10 49 12.08 V U74
2023-04-23 20:54:33 C 14 47 49.04 -08 06 39.9 X L18
2023-04-23 21:01:49 C 14 47 39.25 -08 04 53.5 X L18
2023-04-23 21:09:10 C 14 47 29.35 -08 03 04.9 X L18
2023-04-23 21:16:28 C 14 47 19.50 -08 01 18.5 X L18
2023-04-23 23:14:37 C 14 44 51.63 -07 32 47.0 X 958
2023-04-23 23:20:29 C 14 44 44.14 -07 31 25.6 X 958
2023-04-23 23:25:40 C 14 44 37.40 -07 30 13.1 X 958
2023-04-24 04:22:42 C 14 39 04.756 -06 23 34.26 V I52
2023-04-24 04:22:57 C 14 39 04.525 -06 23 31.24 V I52
2023-04-24 04:23:12 C 14 39 04.223 -06 23 28.28 V I52
2023-04-24 04:23:27 C 14 39 03.924 -06 23 25.15 V I52
2023-04-24 04:50:57 C 14 38 26.27 -06 18 18.8 u H21
2023-04-24 04:53:43 C 14 38 23.09 -06 17 44.2 u H21
2023-04-24 04:56:30 C 14 38 19.91 -06 17 09.6 u H21
2023-04-24 04:59:17 C 14 38 16.74 -06 16 35.2 u H21
2023-04-24 05:02:03 C 14 38 13.58 -06 16 00.8 u H21
2023-04-24 06:07:12 C 14 36 54.70 -05 56 52.3 u 807
2023-04-24 06:11:41 C 14 36 49.72 -05 55 58.5 u 807
2023-04-24 06:16:13 C 14 36 44.61 -05 55 03.1 u 807
2023-04-24 06:20:33 C 14 36 39.75 -05 54 11.6 u 807
2023-04-24 08:18:14 C 14 34 42.856 -05 36 15.48 V 703
2023-04-24 08:33:26 C 14 34 26.479 -05 33 18.86 V 703
2023-04-24 08:41:01 C 14 34 18.494 -05 31 51.60 V 703
2023-04-24 09:39:54 C 14 33 14.04 -05 21 00.0 q 734
2023-04-24 09:43:28 C 14 33 10.40 -05 20 19.8 q 734
2023-04-24 09:46:54 C 14 33 06.94 -05 19 40.4 q 734
2023-04-24 09:49:42 C 14 33 08.581 -05 18 55.92 V 654
2023-04-24 09:52:39 C 14 33 05.518 -05 18 22.40 V 654
2023-04-24 10:49:36 C 14 32 07.629 -05 07 44.48 V 654
2023-04-24 10:52:31 C 14 32 04.711 -05 07 12.33 V 654
2023-04-24 21:54:24 C 14 22 59.510 -03 18 00.11 Z L34
2023-04-25 00:16:11 C 14 21 05.767 -02 57 23.76 Z L34
2023-04-25 02:31:13 C 14 19 41.97 -02 33 50.5 u 807
2023-04-25 02:37:07 C 14 19 37.57 -02 33 02.2 u 807
2023-04-25 02:43:01 C 14 19 33.13 -02 32 14.3 u 807
2023-04-25 09:35:25 C 14 14 49.139 -01 43 49.91 V I52
2023-04-25 09:35:40 C 14 14 48.955 -01 43 47.96 V I52
2023-04-25 09:35:55 C 14 14 48.815 -01 43 45.91 V I52