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
2014-05-08 00:46:51 C 13 40 29.00 +46 47 50.3 q I15
2014-05-11 04:59:33 C 13 13 27.96 +45 30 10.2 q 448
2014-05-11 05:11:22 C 13 13 23.46 +45 29 55.4 q 448
2014-05-11 05:19:28 C 13 13 20.71 +45 29 45.2 q 448
2014-05-26 11:18:22 S 11 26 01.20 +32 28 02.6 L C51
2014-05-26 14:27:47 S 11 25 18.17 +32 19 30.9 L C51
2014-05-26 14:27:57 S 11 25 18.18 +32 19 30.3 L C51
2014-05-26 17:37:22 S 11 24 35.31 +32 10 59.8 L C51
2014-05-26 19:12:00 S 11 24 13.83 +32 06 42.9 L C51
2014-05-26 20:46:47 S 11 23 52.67 +32 02 27.9 L C51
2014-05-26 22:21:24 S 11 23 31.435 +31 58 12.86 L C51
2014-05-26 22:21:36 S 11 23 31.382 +31 58 11.32 L C51
2018-04-23 10:23:49 C 20 14 42.34 -02 55 31.8 U G96
2018-04-23 10:32:59 C 20 14 44.42 -02 55 35.6 U G96
2018-04-23 10:42:11 C 20 14 46.56 -02 55 36.4 U G96
2018-04-23 10:51:22 C 20 14 48.67 -02 55 38.9 U G96
2021-02-20 11:18:08 C 17 11 26.95 +46 09 55.8 V 703
2021-02-20 11:25:56 C 17 11 26.42 +46 10 08.2 V 703
2021-02-20 11:33:44 C 17 11 26.01 +46 10 19.6 V 703
2021-02-20 11:41:32 C 17 11 25.57 +46 10 33.3 V 703
2021-03-05 11:51:52 C 16 46 53.90 +54 14 46.4 U I41
2021-03-05 11:54:35 C 16 46 53.59 +54 14 50.6 U I41
2021-03-05 11:55:58 C 16 46 53.40 +54 14 52.7 U I41
2021-03-05 12:30:54 C 16 46 49.12 +54 15 47.0 U I41
2021-03-17 09:11:02 C 16 00 05.86 +60 58 27.2 U I41
2021-03-17 09:13:47 C 16 00 05.23 +60 58 30.7 U I41
2021-03-17 10:20:59 C 15 59 49.34 +60 59 55.7 U I41
2021-03-17 10:22:22 C 15 59 49.00 +60 59 57.6 U I41
2021-03-26 14:45:44 C 14 58 10.601 +64 21 48.80 U F51
2021-03-26 14:54:06 C 14 58 07.724 +64 21 52.96 U F51
2021-03-26 15:02:30 C 14 58 04.839 +64 21 57.17 U F51
2021-03-26 15:10:51 C 14 58 01.982 +64 22 01.21 U F51
2021-04-05 07:55:19 C 13 36 52.30 +64 25 54.5 V 703
2021-04-05 08:11:58 C 13 36 46.18 +64 25 46.5 V 703
2021-04-05 08:19:46 C 13 36 43.47 +64 25 42.5 V 703
2021-04-06 10:07:27 C 13 27 55.09 +64 10 36.1 V T08
2021-04-06 10:10:46 C 13 27 53.75 +64 10 33.1 V T08
2021-04-06 10:14:44 C 13 27 52.38 +64 10 30.9 V T08
2021-04-06 10:32:06 C 13 27 46.24 +64 10 20.0 V T08
2021-04-22 04:54:39 C 11 51 44.07 +55 50 20.2 V G96
2021-04-22 05:02:18 C 11 51 42.75 +55 50 06.6 V G96
2021-04-22 05:09:59 C 11 51 41.37 +55 49 52.7 V G96
2021-04-22 05:17:39 C 11 51 40.08 +55 49 39.0 V G96
2021-04-24 06:04:44 C 11 44 10.63 +54 20 47.1 V 703
2021-04-24 06:10:45 C 11 44 09.65 +54 20 37.2 V 703
2021-04-24 06:16:46 C 11 44 08.74 +54 20 27.2 V 703
2021-04-24 06:22:47 C 11 44 07.92 +54 20 15.8 V 703
2021-04-30 05:00:17 C 11 27 14.95 +49 47 38.4 V G96
2021-04-30 05:07:51 C 11 27 14.17 +49 47 23.6 V G96
2021-04-30 05:15:24 C 11 27 13.38 +49 47 08.6 V G96