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
2003-04-21 05:51:41 C 13 07 26.68 +55 26 35.9 18.9 c 704
2003-04-21 06:07:43 C 13 07 22.23 +55 26 17.7 19.1 c 704
2003-04-21 06:24:06 C 13 07 17.81 +55 26 00.4 19.5 c 704
2003-04-21 06:56:01 C 13 07 08.67 +55 25 28.3 19.2 c 704
2003-04-21 19:30:10 C 13 03 49.78 +55 12 03.5 d 557
2003-04-21 19:36:13 C 13 03 48.10 +55 11 58.2 d 557
2003-04-21 19:38:14 C 13 03 47.45 +55 11 55.3 d 557
2003-04-21 21:49:09 C 13 03 11.91 +55 09 36.0 c 046
2003-04-21 21:53:20 C 13 03 10.79 +55 09 34.2 c 046
2003-04-21 21:56:00 C 13 03 10.27 +55 09 30.1 c 046
2003-04-21 21:58:45 C 13 03 09.76 +55 09 26.2 c 046
2003-04-21 22:00:10 C 13 03 08.69 +55 09 24.4 c 046
2003-04-21 22:02:03 C 13 03 08.85 +55 09 27.7 d 620
2003-04-21 22:16:32 C 13 03 04.93 +55 09 10.9 d 620
2003-04-21 22:31:04 C 13 03 00.90 +55 08 55.3 d 620
2003-04-21 23:44:08 C 13 02 40.54 +55 07 30.3 d 118
2003-04-21 23:46:22 C 13 02 39.86 +55 07 28.8 d 118
2003-04-21 23:52:01 C 13 02 38.54 +55 07 21.9 d 118
2003-04-21 23:53:53 C 13 02 38.01 +55 07 20.1 d 118
2003-04-21 23:55:58 C 13 02 37.28 +55 07 17.3 d 118
2003-04-22 00:12:17 C 13 02 33.56 +55 06 59.7 o J95
2003-04-22 00:24:47 C 13 02 30.26 +55 06 45.8 o J95
2003-04-22 00:37:20 C 13 02 26.88 +55 06 32.1 o J95
2003-04-22 02:53:32 C 13 01 53.28 +55 04 04.9 c 649
2003-04-22 03:00:22 C 13 01 51.45 +55 03 57.5 c 649
2003-04-22 03:07:11 C 13 01 49.58 +55 03 50.6 c 649
2003-04-22 06:03:23 C 13 01 01.84 +55 00 36.8 d 734
2003-04-22 06:06:15 C 13 01 00.90 +55 00 33.9 d 734
2003-04-22 06:08:55 C 13 01 00.30 +55 00 30.5 d 734
2003-04-22 06:12:02 C 13 00 59.43 +55 00 27.0 d 734
2003-04-22 06:34:29 C 13 00 53.92 +55 00 05.3 c 926
2003-04-22 06:36:55 C 13 00 53.22 +55 00 02.9 c 926
2003-04-22 06:39:19 C 13 00 52.75 +55 00 00.9 c 926
2003-04-23 00:46:22 C 12 56 11.91 +54 38 57.7 o J95
2003-04-23 00:56:48 C 12 56 09.16 +54 38 45.4 o J95
2003-04-23 01:07:07 C 12 56 06.23 +54 38 31.5 c 621
2003-04-23 01:16:00 C 12 56 03.92 +54 38 20.5 c 621
2003-04-23 01:24:54 C 12 56 01.61 +54 38 09.7 c 621
2003-04-23 22:22:09 C 12 50 47.38 +54 12 37.2 c 587
2003-04-23 22:26:47 C 12 50 46.22 +54 12 31.3 c 587
2003-04-23 22:31:23 C 12 50 45.12 +54 12 25.8 c 587
2003-04-24 00:58:42 C 12 50 07.88 +54 09 15.2 J95
2003-04-24 01:12:11 C 12 50 04.49 +54 08 57.7 J95
2003-04-24 01:26:17 C 12 50 00.89 +54 08 39.3 J95
2003-04-24 06:11:56 C 12 48 52.05 +54 02 47.2 c 926
2003-04-24 06:14:21 C 12 48 51.37 +54 02 42.5 c 926
2003-04-24 06:16:47 C 12 48 50.61 +54 02 38.9 c 926
2003-04-25 22:29:10 C 12 39 18.48 +53 08 15.5 c 176
2003-04-25 22:32:19 C 12 39 17.72 +53 08 11.0 c 176
2003-04-25 22:34:47 C 12 39 17.13 +53 08 07.5 c 176