2026 HD1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2026-04-18 (JD 2461148.5)
Eccentricity (e)0.4074801780 ± 4.19e-04
Semi-major axis (a)1.7058178833 AU ± 1.24e-03
Inclination (i)31.72170965° ± 1.39e-02
Long. of Asc. Node (Ω)29.00535504° ± 2.03e-04
Arg. of Perihelion (ω)156.59117716° ± 9.84e-03
Mean Anomaly (M)8.34080194° ± 1.41e-02
Mean Motion (n)0.4423981289°/day ± 4.82e-04
Perihelion dist (q)1.01073091 AU ± 1.03e-03
Aphelion dist (Q)2.40090486 AU ± 1.88e-03
Orbital Period2.22791693 yr ± 2.43e-03
Physical Parameters
H (abs. magnitude)25.78
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.331″
Uncertainty2
Orbit TypeApollo
MOID0.030118 AU
Observations Used94
Oppositions1
Arc Total2026-2026
First Observation Used2026-04-17
Last Observation Used2026-04-20
Observations (95)
Date Type RA Dec Mag Band Observatory
2026-04-18 20:40:47 C 13 28 38.69 +10 44 05.1 X 958
2026-04-18 20:41:21 C 13 28 35.628 +10 43 27.59 W 151
2026-04-18 20:42:31 C 13 28 34.135 +10 42 34.45 W 151
2026-04-18 20:43:42 C 13 28 32.729 +10 41 43.40 W 151
2026-04-18 20:45:46 C 13 28 31.102 +10 39 51.77 W J95
2026-04-18 20:47:10 C 13 28 28.490 +10 39 08.03 W 151
2026-04-18 20:48:19 C 13 28 26.918 +10 38 16.12 W 151
2026-04-18 20:49:12 B 13 28 26.844 +10 37 18.16 Z J69
2026-04-18 20:49:29 C 13 28 25.330 +10 37 22.58 W 151
2026-04-18 20:57:32 B 13 28 16.306 +10 31 03.07 Z J69
2026-04-18 21:10:50 C 13 27 59.558 +10 21 03.67 W J95
2026-04-18 21:17:09 B 13 27 52.133 +10 16 29.06 X Y84
2026-04-18 21:18:24 B 13 27 50.566 +10 15 32.51 X Y84
2026-04-18 21:19:41 B 13 27 49.032 +10 14 34.84 X Y84
2026-04-18 21:20:55 B 13 27 47.366 +10 13 39.83 X Y84
2026-04-18 21:22:10 B 13 27 45.785 +10 12 42.77 X Y84
2026-04-18 21:23:25 B 13 27 44.119 +10 11 46.36 X Y84
2026-04-18 21:24:40 B 13 27 42.686 +10 10 49.12 X Y84
2026-04-18 21:25:55 B 13 27 41.062 +10 09 53.96 X Y84
2026-04-18 21:27:10 B 13 27 39.454 +10 08 57.05 X Y84
2026-04-18 21:28:25 B 13 27 37.913 +10 08 00.89 X Y84
2026-04-18 21:29:40 B 13 27 36.331 +10 07 04.15 X Y84
2026-04-18 21:30:55 B 13 27 34.752 +10 06 08.03 X Y84
2026-04-18 21:32:08 B 13 27 33.180 +10 05 12.84 X Y84
2026-04-18 21:33:19 B 13 27 31.740 +10 04 19.60 X Y84
2026-04-18 21:34:29 B 13 27 30.185 +10 03 26.39 X Y84
2026-04-18 21:35:40 B 13 27 28.759 +10 02 35.02 X Y84
2026-04-18 21:36:50 B 13 27 27.264 +10 01 41.30 X Y84
2026-04-18 21:49:56 B 13 27 10.822 +09 51 50.04 X Z43
2026-04-18 22:00:48 B 13 26 57.038 +09 43 38.50 X Z43
2026-04-18 22:12:14 B 13 26 42.576 +09 35 02.11 X Z43
2026-04-19 03:26:13 C 13 20 24.51 +05 36 59.6 V H21
2026-04-19 03:27:45 C 13 20 22.57 +05 35 49.8 V H21
2026-04-19 03:29:17 C 13 20 20.63 +05 34 40.2 V H21
2026-04-19 03:30:48 C 13 20 18.72 +05 33 30.4 V H21
2026-04-19 03:32:20 C 13 20 16.79 +05 32 20.4 V H21
2026-04-19 03:34:13 C 13 20 14.42 +05 30 54.0 V H21
2026-04-19 05:48:19 C 13 17 30.973 +03 49 00.37 V I52
2026-04-19 05:48:34 C 13 17 30.671 +03 48 49.21 V I52
2026-04-19 05:48:49 C 13 17 30.325 +03 48 37.48 V I52
2026-04-19 05:49:03 C 13 17 30.001 +03 48 26.71 V I52
2026-04-20 03:50:00 C 12 51 56.066 -12 24 50.04 V I52
2026-04-20 03:50:15 C 12 51 55.760 -12 24 59.87 V I52
2026-04-20 03:50:30 C 12 51 55.480 -12 25 10.16 V I52
2026-04-20 03:50:44 C 12 51 55.159 -12 25 20.10 V I52