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
2007-01-26 12:32:30 C 15 48 08.98 +05 46 34.0 o 291
2007-02-27 11:13:12 C 16 54 48.31 +06 39 30.8 o 291
2007-02-27 11:22:56 C 16 54 49.12 +06 39 31.7 o 291
2007-02-27 11:28:24 C 16 54 49.55 +06 39 32.9 o 291
2007-04-14 10:26:17 C 18 25 14.77 +11 29 23.7 o 291
2007-04-14 10:31:45 C 18 25 15.19 +11 29 25.7 o 291
2007-04-14 10:37:13 C 18 25 15.78 +11 29 29.0 o 291
2007-04-16 10:58:44 C 18 30 00.00 +11 48 24.8 o 291
2007-04-16 11:04:17 C 18 30 00.54 +11 48 26.1 o 291
2007-05-05 02:10:58 C 19 35 41.75 +15 24 58.3 r 941
2007-05-05 02:13:19 C 19 35 42.27 +15 25 00.0 r 941
2007-05-05 02:14:57 C 19 35 42.65 +15 25 01.1 r 941
2007-05-05 02:18:30 C 19 35 43.45 +15 25 03.3 r 941
2007-05-17 09:40:16 C 21 40 55.64 +18 05 09.6 o 291
2007-05-17 09:46:46 C 21 41 00.31 +18 05 10.2 o 291
2007-05-17 09:52:58 C 21 41 04.76 +18 05 10.9 o 291
2007-05-18 09:00:02 C 21 58 18.78 +18 03 04.1 r H51
2007-05-18 09:02:20 C 21 58 20.64 +18 03 04.2 r H51
2007-05-18 09:04:39 C 21 58 22.27 +18 03 02.2 r H51
2007-05-18 09:06:58 C 21 58 24.04 +18 03 01.9 r H51
2007-05-18 09:09:17 C 21 58 26.00 +18 03 01.4 r H51
2007-05-18 09:11:36 C 21 58 27.80 +18 03 00.8 r H51
2007-05-18 09:13:53 C 21 58 29.67 +18 03 01.1 r H51
2007-05-18 09:16:12 C 21 58 30.82 +18 03 00.9 r H51
2007-05-19 08:29:57 C 22 17 17.98 +17 54 20.4 r H51
2007-05-19 08:31:56 C 22 17 19.72 +17 54 19.8 r H51
2007-05-19 08:35:51 C 22 17 22.88 +17 54 19.3 r H51
2007-05-19 08:37:51 C 22 17 24.58 +17 54 18.5 r H51
2007-05-19 08:39:48 C 22 17 26.08 +17 54 15.8 r H51
2007-05-19 08:45:44 C 22 17 31.04 +17 54 13.2 r H51
2007-05-19 10:04:54 C 22 18 38.19 +17 53 43.7 r 703
2007-05-19 10:14:13 C 22 18 45.97 +17 53 39.8 r 703
2007-05-19 10:23:36 C 22 18 53.67 +17 53 34.8 r 703
2007-05-19 10:32:54 C 22 19 01.38 +17 53 30.8 r 703
2010-02-26 22:21:44 C 20 34 51.51 +72 39 18.2 u J95
2010-02-26 22:49:33 C 20 34 49.88 +72 40 38.6 u J95
2010-02-26 23:17:04 C 20 34 48.13 +72 41 58.7 u J95
2010-03-09 22:24:56 S 19 29 50.153 +84 26 25.04 L C51
2010-03-10 00:00:06 S 19 28 37.906 +84 30 12.17 L C51
2010-03-10 04:45:59 S 19 24 51.751 +84 41 29.98 L C51
2010-03-10 06:21:09 S 19 23 33.502 +84 45 13.64 L C51
2010-03-10 06:21:20 S 19 23 33.298 +84 45 14.80 L C51
2010-03-10 07:56:30 S 19 22 12.355 +84 48 57.89 L C51
2010-03-10 09:31:40 S 19 20 48.986 +84 52 39.90 L C51
2010-03-10 09:31:51 S 19 20 49.010 +84 52 40.37 L C51
2010-03-10 11:07:01 S 19 19 24.408 +84 56 21.52 L C51
2010-03-10 12:42:22 S 19 17 57.156 +85 00 03.56 L C51
2010-03-10 14:17:32 S 19 16 28.745 +85 03 43.88 L C51
2010-03-10 15:52:53 S 19 14 56.234 +85 07 22.87 L C51
2010-03-10 17:28:03 S 19 13 23.129 +85 11 00.67 L C51