2013 RE21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5047580084 ± 6.19e-08
Semi-major axis (a)2.5496374785 AU ± 2.56e-08
Inclination (i)6.07648875° ± 4.09e-06
Long. of Asc. Node (Ω)293.12714927° ± 4.37e-05
Arg. of Perihelion (ω)56.95591807° ± 5.07e-05
Mean Anomaly (M)2.03189418° ± 1.24e-05
Mean Motion (n)0.2420999080°/day ± 3.65e-09
Perihelion dist (q)1.26268754 AU ± 1.58e-07
Aphelion dist (Q)3.83658741 AU ± 1.63e-07
Orbital Period4.07115513 yr ± 6.14e-08
Physical Parameters
H (abs. magnitude)19.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.303″
Uncertainty0
Orbit TypeAmor
MOID0.271668 AU
Observations Used150
Oppositions3
Arc Total2013-2017
First Observation Used2013-09-02
Last Observation Used2017-10-23
Observations (156)
Date Type RA Dec Mag Band Observatory
2017-10-16 03:12:32 C 21 50 12.33 +06 56 11.0 U 703
2017-10-16 03:20:45 C 21 50 13.25 +06 56 15.7 U 703
2017-10-23 02:56:56 C 22 10 28.84 +08 04 16.5 U G96
2017-10-23 03:04:32 C 22 10 29.63 +08 04 19.3 U G96
2017-10-23 03:12:05 C 22 10 30.59 +08 04 21.8 U G96
2017-10-23 03:19:35 C 22 10 31.50 +08 04 25.4 U G96