2011 UF21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4072935541 ± 5.38e-08
Semi-major axis (a)1.5193280374 AU ± 3.82e-09
Inclination (i)21.38379166° ± 8.07e-06
Long. of Asc. Node (Ω)191.25375925° ± 8.70e-06
Arg. of Perihelion (ω)65.81556458° ± 1.46e-05
Mean Anomaly (M)270.77021165° ± 6.14e-06
Mean Motion (n)0.5263019119°/day ± 1.99e-09
Perihelion dist (q)0.90051552 AU ± 8.18e-08
Aphelion dist (Q)2.13814055 AU ± 8.20e-08
Orbital Period1.87273932 yr ± 7.07e-09
Physical Parameters
H (abs. magnitude)19.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.273″
Uncertainty0
Orbit TypeApollo
MOID0.063990 AU
Observations Used144
Oppositions7
Arc Total2009-2024
First Observation Used2009-10-15
Last Observation Used2024-10-20
Observations (153)
Date Type RA Dec Mag Band Observatory
2024-10-20 04:28:12 C 22 19 19.276 -06 14 56.22 V G96
2024-10-20 04:35:40 C 22 19 19.776 -06 15 02.63 V G96
2024-10-20 04:43:09 C 22 19 20.348 -06 15 09.61 V G96