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
2025-04-28 02:57:24 C 18 04 58.157 +25 21 35.96 V R17
2025-04-28 03:17:56 C 18 04 58.601 +25 22 04.91 V R17
2025-04-28 12:23:57 C 18 05 16.721 +25 34 55.09 V T05
2025-04-28 12:28:31 C 18 05 16.846 +25 35 01.46 V T05
2025-04-28 12:33:05 C 18 05 16.946 +25 35 08.09 V T05
2025-04-28 12:44:45 C 18 05 17.184 +25 35 25.01 V T05
2025-05-02 10:42:04 C 18 08 18.470 +28 04 00.80 V G96
2025-05-02 10:49:31 C 18 08 18.620 +28 04 14.20 V G96
2025-05-02 10:56:58 C 18 08 18.760 +28 04 27.40 V G96
2025-05-02 11:04:26 C 18 08 18.900 +28 04 40.70 V G96
2025-05-02 11:15:01 C 18 08 21.590 +28 05 04.49 V T05
2025-05-02 11:52:42 C 18 08 22.351 +28 06 13.68 V T05
2025-05-02 11:56:46 C 18 08 22.423 +28 06 21.06 V T05
2025-05-02 12:04:45 C 18 08 22.594 +28 06 35.39 V T05
2025-05-03 12:03:52 C 18 09 09.214 +28 50 48.05 V T05
2025-05-03 12:08:27 C 18 09 09.307 +28 50 56.94 V T05
2025-05-03 12:23:06 C 18 09 09.590 +28 51 25.38 V T05
2025-05-04 02:28:38 C 18 09 37.630 +29 18 43.56 V R17
2025-05-04 02:49:08 C 18 09 38.011 +29 19 25.03 V R17
2025-05-04 03:09:42 C 18 09 38.393 +29 20 06.65 V R17
2025-05-04 03:30:13 C 18 09 38.777 +29 20 48.01 V R17
2025-05-04 11:32:49 C 18 09 55.843 +29 37 06.24 V T08
2025-05-04 11:36:52 C 18 09 55.951 +29 37 14.59 V T08
2025-05-04 11:41:30 C 18 09 55.994 +29 37 24.42 V T08
2025-05-04 11:48:53 C 18 09 56.162 +29 37 39.83 V T08
2025-05-06 13:37:44 C 18 11 35.844 +31 27 52.56 V T05
2025-05-06 13:41:47 C 18 11 35.902 +31 28 02.32 V T05
2025-05-06 14:40:03 C 18 11 36.967 +31 30 21.35 V T05
2025-05-06 14:45:23 C 18 11 37.013 +31 30 34.34 V T05
2025-05-06 14:49:24 C 18 11 37.046 +31 30 43.45 V T05
2025-05-06 14:53:49 C 18 11 37.135 +31 30 53.93 V T05
2025-05-06 14:58:18 C 18 11 37.205 +31 31 04.26 V T05
2025-05-07 13:40:13 C 18 12 27.463 +32 27 58.97 V T05
2025-05-07 14:07:13 C 18 12 27.902 +32 29 09.24 V T05
2025-05-07 14:11:25 C 18 12 27.989 +32 29 20.11 V T05
2025-05-08 12:19:57 C 18 13 20.174 +33 29 38.00 V T08
2025-05-08 12:22:38 C 18 13 20.256 +33 29 45.53 V T08
2025-05-08 12:31:00 C 18 13 20.393 +33 30 09.65 V T08
2025-05-08 13:00:31 C 18 13 20.947 +33 31 34.28 V T08
2025-05-08 22:12:55 C 18 13 45.050 +33 57 25.02 Z C23
2025-05-08 22:54:27 C 18 13 46.387 +33 59 31.63 Z C23
2025-05-08 23:34:17 C 18 13 47.683 +34 01 32.70 Z C23
2025-05-09 09:42:51 C 18 14 10.795 +34 32 41.78 V 703
2025-05-09 09:46:19 C 18 14 10.860 +34 32 52.15 V 703
2025-05-09 09:50:21 C 18 14 10.975 +34 33 04.82 V 703
2025-05-09 11:45:09 C 18 14 17.165 +34 39 12.13 V T08
2025-05-09 11:47:48 C 18 14 17.220 +34 39 20.77 V T08
2025-05-09 12:04:05 C 18 14 17.573 +34 40 12.47 V T08
2025-05-09 12:08:14 C 18 14 17.645 +34 40 25.50 V T08
2025-05-09 21:59:48 C 18 14 43.01 +35 11 15.9 X D04