2009 US19

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4706442470 ± 2.00e+00
Semi-major axis (a)1.7459240887 AU ± 3.00e+00
Inclination (i)10.06498133° ± 4.00e+00
Long. of Asc. Node (Ω)211.56227959° ± 5.00e+00
Arg. of Perihelion (ω)229.59492542° ± 6.00e+00
Mean Anomaly (M)329.69997052° ± 3.35e-01
Mean Motion (n)0.4272341100°/day ± 1.10e+00
Perihelion dist (q)0.92421330 AU ± 3.84e+00
Aphelion dist (Q)2.56763550 AU ± 5.63e+00
Orbital Period2.30694980 yr ± 5.95e+00
Physical Parameters
H (abs. magnitude)23.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.509″
Uncertainty3
Orbit TypeApollo
MOID0.026351 AU
Observations Used58
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-11-02
Observations (62)
Date Type RA Dec Mag Band Observatory
2009-10-25 21:48:42 C 23 30 41.89 +01 33 22.1 r B33
2009-10-25 22:14:35 C 23 30 41.15 +01 30 24.0 r B33
2009-10-26 02:18:12 C 23 30 43.83 +01 02 27.2 r 850
2009-10-26 02:34:36 C 23 30 43.27 +01 00 31.4 r 850
2009-10-26 02:50:47 C 23 30 42.68 +00 58 37.2 r 850
2009-10-26 03:08:36 C 23 30 41.94 +00 56 31.0 r 850
2009-11-01 03:41:43 C 23 31 59.75 -25 29 59.3 c 926
2009-11-01 03:44:15 C 23 31 59.68 -25 30 39.2 c 926
2009-11-01 03:46:48 C 23 31 59.65 -25 31 20.6 c 926
2009-11-02 01:48:23 C 23 32 43.74 -31 40 41.8 o H21
2009-11-02 01:52:33 C 23 32 43.73 -31 41 54.9 o H21
2009-11-02 01:56:42 C 23 32 43.60 -31 43 07.8 o H21