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
2025-05-18 14:24:33 C 18 33 20.035 +55 11 45.71 V T08
2025-05-19 10:37:16 C 18 38 33.349 +58 47 40.34 V 703
2025-05-19 10:40:43 C 18 38 34.220 +58 48 19.76 V 703
2025-05-19 10:44:11 C 18 38 35.034 +58 48 59.04 V 703
2025-05-19 10:47:38 C 18 38 35.862 +58 49 38.39 V 703
2025-05-19 21:54:55 C 18 42 29.27 +61 00 51.5 X C40
2025-05-19 21:56:23 C 18 42 29.82 +61 01 09.8 X C40
2025-05-19 21:59:21 C 18 42 30.79 +61 01 46.2 X C40
2025-05-19 22:00:50 C 18 42 31.24 +61 02 05.3 X C40
2025-05-19 22:02:13 C 18 42 31.74 +61 02 22.0 X C40
2025-05-19 22:03:30 C 18 42 32.13 +61 02 38.1 X C40
2025-05-19 22:04:47 C 18 42 32.59 +61 02 53.8 X C40
2025-05-19 22:06:04 C 18 42 32.98 +61 03 10.0 X C40
2025-05-19 22:07:21 C 18 42 33.40 +61 03 26.3 X C40
2025-05-19 22:08:44 C 18 42 33.70 +61 03 42.9 X C40
2025-05-19 22:14:59 B 18 42 40.210 +61 04 08.44 W Z80
2025-05-19 22:21:00 B 18 42 42.355 +61 05 24.58 W Z80
2025-05-19 22:23:49 C 18 42 43.010 +61 06 06.59 Z C23
2025-05-19 22:25:33 C 18 42 43.618 +61 06 27.97 Z C23
2025-05-19 22:27:05 B 18 42 44.479 +61 06 41.04 W Z80
2025-05-19 22:27:16 C 18 42 44.196 +61 06 50.47 Z C23
2025-05-19 23:18:30 C 18 43 02.155 +61 17 38.04 Z C23
2025-05-19 23:23:08 C 18 43 03.718 +61 18 36.61 Z C23
2025-05-19 23:26:59 C 18 43 02.53 +61 19 45.6 V M32
2025-05-19 23:28:58 C 18 43 03.19 +61 20 10.4 V M32
2025-05-19 23:30:57 C 18 43 03.85 +61 20 35.4 V M32
2025-05-19 23:32:55 C 18 43 04.52 +61 21 00.3 V M32
2025-05-19 23:34:54 C 18 43 05.18 +61 21 25.0 V M32
2025-05-19 23:59:16 C 18 43 16.332 +61 26 13.78 Z C23
2025-05-20 00:01:35 C 18 43 17.138 +61 26 43.30 Z C23
2025-05-20 00:04:00 B 18 43 17.064 +61 27 12.89 V L65
2025-05-20 00:06:04 B 18 43 17.782 +61 27 38.74 V L65
2025-05-20 00:08:07 B 18 43 18.482 +61 28 04.73 V L65
2025-05-20 02:32:31 C 18 44 16.193 +61 59 18.46 V R17
2025-05-20 02:53:04 C 18 44 23.198 +62 03 42.84 V R17
2025-05-20 03:13:35 C 18 44 30.139 +62 08 05.35 V R17
2025-05-20 03:34:09 C 18 44 37.104 +62 12 28.62 V R17
2025-05-21 11:03:37 C 19 03 58.540 +69 35 12.77 V 703
2025-05-21 11:07:01 C 19 04 01.261 +69 36 04.82 V 703
2025-05-21 11:10:25 C 19 04 04.058 +69 36 57.17 V 703
2025-05-21 11:13:49 C 19 04 06.834 +69 37 48.86 V 703
2025-05-21 22:29:53 B 19 16 55.96 +72 34 58.5 X L99
2025-05-21 22:31:10 B 19 16 57.63 +72 35 20.2 X L99
2025-05-21 22:32:28 B 19 16 59.22 +72 35 40.2 X L99
2025-05-21 22:35:04 B 19 17 02.71 +72 36 22.8 X L99
2025-05-22 12:20:45 C 19 41 34.462 +76 25 51.82 V T08
2025-05-22 12:23:25 C 19 41 40.344 +76 26 37.50 V T08
2025-05-22 12:29:23 C 19 41 53.398 +76 28 19.52 V T08
2025-05-22 13:00:37 C 19 43 02.774 +76 37 11.89 V T08
2025-05-22 13:29:40 C 19 44 08.640 +76 45 25.13 V T08