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
2003-04-25 22:39:42 C 12 39 15.95 +53 08 00.4 c 176
2003-04-25 22:42:10 C 12 39 15.36 +53 07 56.9 c 176
2003-04-25 22:44:37 C 12 39 14.76 +53 07 53.4 c 176
2003-04-26 03:58:35 C 12 38 03.89 +53 00 30.7 c 446
2003-04-26 05:32:09 C 12 37 41.46 +52 58 17.4 c 446
2003-04-26 23:06:57 C 12 33 45.26 +52 32 30.8 d 170
2003-04-26 23:08:34 C 12 33 44.90 +52 32 28.2 d 170
2003-04-26 23:10:12 C 12 33 44.56 +52 32 25.7 d 170
2003-04-26 23:11:49 C 12 33 44.16 +52 32 23.6 d 170
2003-04-26 23:13:27 C 12 33 43.80 +52 32 21.2 d 170
2003-04-27 00:34:55 C 12 33 25.37 +52 30 13.2 o J95
2003-04-27 00:45:04 C 12 33 23.07 +52 29 58.0 o J95
2003-04-27 00:56:00 C 12 33 20.66 +52 29 41.0 o J95
2003-04-28 07:01:50 C 12 26 53.95 +51 43 44.7 c 926
2003-04-28 07:06:05 C 12 26 52.89 +51 43 36.6 c 926
2003-04-28 07:13:16 C 12 26 51.54 +51 43 24.9 c 926
2003-04-28 07:17:23 C 12 26 50.57 +51 43 19.6 c 926
2003-04-29 01:14:26 C 12 23 09.62 +51 14 29.8 o J95
2003-04-29 01:28:32 C 12 23 06.65 +51 14 06.9 o J95
2003-04-29 01:42:38 C 12 23 03.78 +51 13 42.9 o J95
2003-04-30 22:21:45 C 12 14 27.49 +49 59 21.4 c 176
2003-04-30 22:25:24 C 12 14 26.78 +49 59 15.2 c 176
2003-04-30 22:29:02 C 12 14 26.07 +49 59 09.0 c 176
2003-04-30 22:30:54 C 12 14 25.70 +49 59 05.8 c 176
2003-04-30 22:34:38 C 12 14 24.97 +49 58 59.4 c 176
2003-05-03 22:38:30 C 12 02 03.29 +47 50 22.0 d 941
2003-05-03 22:41:47 C 12 02 02.74 +47 50 16.3 d 941
2003-05-03 22:42:20 C 12 02 02.66 +47 50 14.8 d 941
2003-05-03 22:51:38 C 12 02 01.08 +47 49 57.3 d 941
2003-05-03 22:53:17 C 12 02 00.76 +47 49 53.6 d 941
2003-05-06 00:11:20 C 11 54 35.64 +46 17 06.3 J95
2003-05-06 00:28:58 C 11 54 33.02 +46 16 31.4 J95
2003-05-06 00:46:41 C 11 54 30.46 +46 15 57.0 J95
2003-05-13 22:06:10 C 11 32 49.16 +39 59 42.9 o J95
2003-05-13 22:31:17 C 11 32 46.84 +39 58 51.2 o J95
2003-05-29 05:03:54 C 11 11 19.57 +27 39 08.4 c 649
2003-05-29 05:09:31 C 11 11 19.36 +27 38 56.9 c 649
2003-05-29 05:15:08 C 11 11 19.15 +27 38 46.1 c 649
2003-05-30 21:19:12 C 11 10 00.65 +26 20 23.1 c 540
2003-05-30 21:56:13 C 11 09 59.47 +26 19 11.0 c 540
2003-06-23 03:50:02 C 10 59 04.18 +09 30 45.5 c 715
2003-06-23 03:59:43 C 10 59 03.98 +09 30 29.0 c 715
2003-06-23 04:09:22 C 10 59 03.81 +09 30 13.2 c 715
2006-04-02 02:56:05 C 05 16 57.82 +51 14 52.6 r G96
2006-04-02 02:57:27 C 05 16 58.23 +51 14 54.3 r G96
2006-04-02 02:58:43 C 05 16 58.62 +51 14 54.8 r G96
2007-01-15 12:14:20 C 15 23 22.13 +05 51 03.1 o 291
2007-01-15 12:20:24 C 15 23 22.78 +05 51 01.2 o 291
2007-01-26 12:21:18 C 15 48 07.97 +05 46 33.8 o 291
2007-01-26 12:27:00 C 15 48 08.44 +05 46 33.7 o 291