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
2010-03-10 19:03:24 S 19 11 46.668 +85 14 38.04 L C51
2010-03-10 20:38:34 S 19 10 08.395 +85 18 14.29 L C51
2010-03-10 22:13:55 S 19 08 27.372 +85 21 49.97 L C51
2010-03-10 23:49:05 S 19 06 43.270 +85 25 24.17 L C51
2010-03-11 01:24:26 S 19 04 55.990 +85 28 57.04 L C51
2010-03-11 02:59:36 S 19 03 08.179 +85 32 28.21 L C51
2010-03-11 04:34:57 S 19 01 15.278 +85 35 59.42 L C51
2010-03-11 06:10:07 S 18 59 20.513 +85 39 29.48 L C51
2010-03-11 07:45:28 S 18 57 21.950 +85 42 57.85 L C51
2010-03-11 10:55:59 S 18 53 15.346 +85 49 50.52 L C51
2010-05-02 07:36:17 S 10 14 39.81 +47 03 36.0 L C51
2010-05-02 10:46:37 S 10 14 47.96 +46 57 43.1 L C51
2010-05-02 13:57:08 S 10 14 56.32 +46 51 50.1 L C51
2010-05-02 17:07:40 S 10 15 04.435 +46 45 54.22 L C51
2010-05-02 20:18:11 S 10 15 12.466 +46 40 03.04 L C51
2010-05-02 23:28:42 S 10 15 20.89 +46 34 09.8 L C51
2010-05-03 02:39:13 S 10 15 29.11 +46 28 16.8 L C51
2010-05-03 05:49:44 S 10 15 36.80 +46 22 22.7 L C51
2010-05-03 07:24:54 S 10 15 41.515 +46 19 30.97 L C51
2010-05-03 10:35:25 S 10 15 49.90 +46 13 36.9 L C51
2010-05-03 12:10:46 S 10 15 53.693 +46 10 42.82 L C51
2010-05-03 13:45:56 S 10 15 58.07 +46 07 45.2 L C51
2010-05-03 16:56:27 S 10 16 06.46 +46 01 53.7 L C51
2010-05-03 18:31:48 S 10 16 10.649 +45 58 59.52 L C51
2010-05-03 20:06:58 S 10 16 14.794 +45 56 03.59 L C51
2010-05-03 21:42:19 S 10 16 18.93 +45 53 08.3 L C51
2010-05-03 23:17:29 S 10 16 23.08 +45 50 15.1 L C51
2010-05-04 00:52:39 S 10 16 27.34 +45 47 19.2 L C51
2010-05-04 00:52:50 S 10 16 27.27 +45 47 18.2 L C51
2010-05-04 02:28:00 S 10 16 31.423 +45 44 24.04 L C51
2010-05-04 04:03:11 S 10 16 35.70 +45 41 28.2 L C51
2010-05-04 08:49:03 S 10 16 48.28 +45 32 44.8 L C51
2010-05-04 11:59:34 S 10 16 56.73 +45 26 54.2 L C51
2010-05-04 15:10:05 S 10 17 05.09 +45 21 05.8 L C51
2010-05-04 18:20:25 S 10 17 13.57 +45 15 18.7 L C51
2010-05-04 18:20:36 S 10 17 13.51 +45 15 19.0 L C51
2010-06-16 04:28:35 C 11 09 09.10 +17 59 34.4 o 291
2010-06-16 04:34:20 C 11 09 09.40 +17 59 25.1 o 291
2010-06-16 04:40:17 C 11 09 09.71 +17 59 17.8 o 291
2010-06-17 04:12:25 C 11 10 25.87 +17 25 23.6 o 291
2010-06-17 04:19:24 C 11 10 26.20 +17 25 14.2 o 291
2010-06-17 04:24:56 C 11 10 26.51 +17 25 06.0 o 291
2013-03-12 02:31:34 C 02 10 49.12 +25 33 30.7 o 291
2013-03-12 02:35:54 C 02 10 50.08 +25 33 40.4 o 291
2013-03-12 02:40:17 C 02 10 51.08 +25 33 49.7 o 291
2014-02-14 12:24:46 C 16 25 05.45 +18 44 28.9 o 926
2014-02-14 12:45:07 C 16 25 06.37 +18 44 40.9 o 926
2014-03-18 08:43:52 C 16 49 47.25 +28 29 44.6 o 926
2014-03-18 09:09:45 C 16 49 47.19 +28 30 10.8 o 926
2014-03-18 09:30:01 C 16 49 47.13 +28 30 31.8 o 926