38239 (1999 OR3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5756843401 ± 3.96e-08
Semi-major axis (a)2.0355478099 AU ± 1.55e-08
Inclination (i)9.40329136° ± 7.12e-06
Long. of Asc. Node (Ω)199.75456903° ± 7.53e-05
Arg. of Perihelion (ω)28.56687090° ± 7.03e-05
Mean Anomaly (M)44.77971878° ± 3.31e-05
Mean Motion (n)0.3393831804°/day ± 3.87e-09
Perihelion dist (q)0.86371481 AU ± 8.09e-08
Aphelion dist (Q)3.20738081 AU ± 8.42e-08
Orbital Period2.90416951 yr ± 3.31e-08
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.506″
Uncertainty0
Orbit TypeApollo
MOID0.054125 AU
Observations Used194
Oppositions17
Arc Total1999-2025
First Observation Used1999-07-27
Last Observation Used2025-02-19
Observations (205)
Date Type RA Dec Mag Band Observatory
2025-01-27 04:54:44 C 05 36 24.973 +07 29 43.15 V G96
2025-02-19 03:24:53 C 05 21 44.201 +09 22 46.96 V G96
2025-02-19 03:32:20 C 05 21 44.168 +09 22 49.04 V G96
2025-02-19 03:39:51 C 05 21 44.071 +09 22 51.02 V G96
2025-02-19 03:49:20 C 05 21 44.032 +09 22 53.54 V G96