390725 (2003 HB)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3803376716 ± 2.99e-02
Semi-major axis (a)0.8496951904 AU ± 3.48e-03
Inclination (i)18.12088768° ± 1.09e+00
Long. of Asc. Node (Ω)70.33975678° ± 1.41e+00
Arg. of Perihelion (ω)306.75724798° ± 2.77e+00
Mean Anomaly (M)130.68269022° ± 4.76e+00
Mean Motion (n)1.2583965998°/day ± 7.72e-03
Perihelion dist (q)0.52652410 AU ± 2.55e-02
Aphelion dist (Q)1.17286628 AU ± 2.59e-02
Orbital Period0.78323979 yr ± 4.81e-03
NGA Modelr2
A2-5.09407508e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.336″
Uncertainty0
Orbit TypeAten
MOID0.046685 AU
Observations Used478
Oppositions6
Arc Total2003-2025
First Observation Used2003-04-21
Last Observation Used2025-05-23
Observations (566)
Date Type RA Dec Mag Band Observatory
2025-05-09 22:12:47 C 18 14 43.58 +35 11 57.4 X D04
2025-05-09 22:19:17 C 18 14 43.75 +35 12 18.6 X D04
2025-05-09 22:30:20 C 18 14 45.233 +35 12 38.41 Z C23
2025-05-09 22:32:17 C 18 14 44.10 +35 13 04.1 X D04
2025-05-09 22:38:47 C 18 14 44.35 +35 13 23.8 X D04
2025-05-09 22:42:48 C 18 14 45.737 +35 13 20.21 Z C23
2025-05-09 22:45:00 C 18 14 44.51 +35 13 44.9 X D04
2025-05-09 22:50:58 C 18 14 44.62 +35 14 04.1 X D04
2025-05-09 22:56:55 C 18 14 44.63 +35 14 25.3 X D04
2025-05-09 23:02:53 C 18 14 44.91 +35 14 45.0 X D04
2025-05-09 23:48:21 C 18 14 47.959 +35 16 58.58 Z C23
2025-05-09 23:50:06 C 18 14 48.046 +35 17 04.96 Z C23
2025-05-10 10:59:07 C 18 15 14.260 +35 54 55.33 V 703
2025-05-10 11:02:50 C 18 15 14.411 +35 55 07.86 V 703
2025-05-10 11:06:30 C 18 15 14.483 +35 55 20.78 V 703
2025-05-10 11:10:07 C 18 15 14.562 +35 55 32.63 V 703
2025-05-10 11:56:47 C 18 15 19.716 +35 58 24.96 V T05
2025-05-10 12:00:04 C 18 15 19.798 +35 58 36.59 V T05
2025-05-10 12:04:37 C 18 15 19.901 +35 58 52.32 V T05
2025-05-10 12:27:08 C 18 15 20.405 +36 00 11.41 V T05
2025-05-10 22:21:29 B 18 15 50.268 +36 34 29.24 q L47
2025-05-10 22:25:58 B 18 15 50.330 +36 34 44.94 q L47
2025-05-10 22:30:42 B 18 15 50.450 +36 35 03.08 q L47
2025-05-10 23:27:04 C 18 15 52.289 +36 38 19.90 Z C23
2025-05-10 23:36:08 C 18 15 52.565 +36 38 53.12 Z C23
2025-05-10 23:38:25 C 18 15 52.728 +36 39 01.98 Z C23
2025-05-12 00:16:54 B 18 17 06.074 +38 13 39.40 X K87
2025-05-12 00:21:50 B 18 17 06.240 +38 13 59.66 X K87
2025-05-12 00:26:47 B 18 17 06.432 +38 14 20.22 X K87
2025-05-12 01:35:23 B 18 17 08.993 +38 19 00.73 Z K35
2025-05-12 01:36:08 B 18 17 08.990 +38 19 04.08 Z K35
2025-05-12 01:36:53 B 18 17 09.034 +38 19 07.68 Z K35
2025-05-12 01:37:39 B 18 17 09.094 +38 19 10.56 Z K35
2025-05-12 01:38:24 B 18 17 09.106 +38 19 13.51 Z K35
2025-05-12 01:39:11 B 18 17 09.142 +38 19 17.08 Z K35
2025-05-12 12:41:33 C 18 17 45.833 +39 06 16.34 V T05
2025-05-12 12:45:00 C 18 17 45.912 +39 06 31.46 V T05
2025-05-12 12:50:14 C 18 17 46.087 +39 06 54.22 V T05
2025-05-12 12:57:40 C 18 17 46.315 +39 07 26.76 V T05
2025-05-12 22:37:05 C 18 18 23.196 +39 49 09.59 Z C23
2025-05-12 22:42:08 C 18 18 23.424 +39 49 32.56 Z C23
2025-05-12 22:48:14 C 18 18 23.774 +39 50 01.57 Z C23
2025-05-12 23:04:58 B 18 18 24.504 +39 51 21.49 Z K35
2025-05-12 23:06:39 B 18 18 24.538 +39 51 28.91 Z K35
2025-05-12 23:08:00 B 18 18 24.619 +39 51 35.24 Z K35
2025-05-12 23:09:22 B 18 18 24.670 +39 51 41.94 Z K35
2025-05-14 00:24:43 C 18 19 59.64 +41 54 22.3 X C40
2025-05-14 00:26:55 C 18 19 59.75 +41 54 33.8 X C40
2025-05-14 00:29:07 C 18 19 59.82 +41 54 45.2 X C40
2025-05-14 00:31:20 C 18 19 59.94 +41 54 56.6 X C40