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
2025-05-22 13:34:19 C 19 44 19.306 +76 46 43.57 V T08
2025-05-22 13:38:20 C 19 44 28.510 +76 47 51.29 V T08
2025-05-22 14:08:08 C 19 45 37.932 +76 56 13.99 V T08
2025-05-22 21:37:55 C 20 09 26.60 +78 59 52.3 X D04
2025-05-22 21:41:03 C 20 09 38.33 +79 00 45.5 X D04
2025-05-22 21:44:10 C 20 09 49.68 +79 01 37.6 X D04
2025-05-22 21:50:24 C 20 10 13.15 +79 03 23.7 X D04
2025-05-22 21:53:31 C 20 10 24.41 +79 04 16.5 X D04
2025-05-22 22:02:53 C 20 10 59.06 +79 06 54.2 X D04
2025-05-22 23:27:11 C 20 16 37.500 +79 29 25.94 Z C23
2025-05-22 23:28:54 C 20 16 44.350 +79 29 53.84 Z C23
2025-05-22 23:31:48 C 20 16 56.381 +79 30 43.85 Z C23
2025-05-23 08:45:02 C 21 08 17.892 +81 53 28.22 U I41
2025-05-23 08:45:32 C 21 08 21.384 +81 53 35.14 U I41
2025-05-23 09:38:40 C 21 14 48.959 +82 06 16.36 U I41
2025-05-23 09:39:09 C 21 14 53.025 +82 06 23.39 U I41