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
2026-04-17 07:24:21 C 14 14 43.224 +34 52 05.84 V G96
2026-04-17 07:31:48 C 14 14 33.428 +34 48 15.26 V G96
2026-04-17 07:39:19 C 14 14 23.507 +34 44 22.20 V G96
2026-04-17 07:48:52 C 14 14 10.939 +34 39 28.37 V G96
2026-04-17 08:27:13 C 14 13 20.554 +34 19 31.30 V I52
2026-04-17 08:29:34 C 14 13 17.497 +34 18 17.03 V I52
2026-04-17 08:31:56 C 14 13 14.315 +34 17 02.90 V I52
2026-04-17 08:34:20 C 14 13 11.190 +34 15 47.56 V I52
2026-04-17 10:51:44 C 14 10 11.514 +33 02 15.25 V I52
2026-04-17 10:54:05 C 14 10 08.447 +33 00 57.96 V I52
2026-04-17 10:56:27 C 14 10 05.365 +32 59 40.20 V I52
2026-04-17 10:58:49 C 14 10 02.341 +32 58 22.87 V I52
2026-04-17 19:48:40 B 13 59 23.12 +27 52 49.4 X L04
2026-04-17 19:54:34 B 13 59 17.39 +27 49 09.8 V L01
2026-04-17 19:58:59 B 13 59 11.71 +27 46 29.8 V L01
2026-04-17 20:03:36 B 13 59 05.77 +27 43 42.2 V L01
2026-04-17 20:05:14 B 13 59 01.75 +27 42 47.5 X L04
2026-04-17 21:21:19 B 13 57 25.250 +26 56 08.59 X 595
2026-04-17 21:27:49 B 13 57 16.790 +26 52 07.25 X 595
2026-04-17 21:34:20 B 13 57 08.357 +26 48 05.33 X 595
2026-04-17 21:44:34 B 13 56 55.81 +26 41 50.8 V 104
2026-04-17 21:51:25 B 13 56 46.85 +26 37 35.6 V 104
2026-04-17 23:12:27 B 13 54 59.29 +25 46 23.2 V G02
2026-04-17 23:16:29 B 13 54 56.235 +25 44 04.42 W 204
2026-04-17 23:17:40 B 13 54 52.46 +25 43 03.5 V G02
2026-04-17 23:23:03 B 13 54 45.44 +25 39 39.5 V G02
2026-04-17 23:26:55 B 13 54 42.637 +25 37 26.49 W 204
2026-04-17 23:37:25 B 13 54 28.946 +25 30 45.73 W 204
2026-04-18 01:26:47 B 13 52 06.23 +24 20 16.8 X R93
2026-04-18 01:37:43 B 13 51 51.96 +24 13 07.5 X R93
2026-04-18 02:37:52 B 13 50 34.264 +23 33 37.88 X 126
2026-04-18 02:46:02 B 13 50 23.692 +23 28 11.87 X 126
2026-04-18 03:22:03 B 13 49 47.843 +23 09 25.12 X Y05
2026-04-18 03:31:42 B 13 49 43.582 +22 58 33.09 X W62
2026-04-18 03:37:39 B 13 49 35.781 +22 54 36.56 X W62
2026-04-18 03:42:09 B 13 49 21.136 +22 56 01.58 X Y05
2026-04-18 03:43:34 B 13 49 28.088 +22 50 41.15 X W62
2026-04-18 05:45:02 C 13 46 58.861 +21 29 35.20 V I52
2026-04-18 05:45:17 C 13 46 58.519 +21 29 25.37 V I52
2026-04-18 05:45:32 C 13 46 58.206 +21 29 15.68 V I52
2026-04-18 05:45:47 C 13 46 57.878 +21 29 05.93 V I52
2026-04-18 19:22:48 B 13 30 12.94 +11 42 08.5 V G02
2026-04-18 19:30:46 B 13 30 02.87 +11 36 12.4 V G02
2026-04-18 19:38:44 B 13 29 52.78 +11 30 15.7 V G02
2026-04-18 20:04:42 C 13 29 22.267 +11 11 07.36 W D63
2026-04-18 20:12:22 C 13 29 12.567 +11 05 23.30 W D63
2026-04-18 20:25:41 C 13 28 57.80 +10 55 23.5 X 958
2026-04-18 20:30:30 B 13 28 50.542 +10 51 47.95 X K19
2026-04-18 20:33:13 C 13 28 48.20 +10 49 44.6 X 958
2026-04-18 20:33:53 B 13 28 46.195 +10 49 14.52 X K19