2021 RD15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4285175449 ± 8.25e-07
Semi-major axis (a)1.7219029805 AU ± 2.49e-06
Inclination (i)14.15791994° ± 2.11e-05
Long. of Asc. Node (Ω)9.66656817° ± 1.48e-05
Arg. of Perihelion (ω)82.12854527° ± 1.71e-05
Mean Anomaly (M)267.89797521° ± 1.36e-03
Mean Motion (n)0.4362136581°/day ± 9.47e-07
Perihelion dist (q)0.98403734 AU ± 2.01e-06
Aphelion dist (Q)2.45976862 AU ± 3.83e-06
Orbital Period2.25950349 yr ± 4.91e-06
Physical Parameters
H (abs. magnitude)20.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.253″
Uncertainty1
Orbit TypeApollo
MOID0.174421 AU
Observations Used97
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-10
Last Observation Used2022-04-20
Observations (108)
Date Type RA Dec Mag Band Observatory
2022-04-07 09:38:18 C 12 03 21.892 -02 03 00.80 U F52
2022-04-07 09:54:48 C 12 03 20.717 -02 03 08.71 U F52
2022-04-09 03:10:14 C 12 00 41.27 -02 22 30.4 V 291
2022-04-09 03:16:48 C 12 00 40.85 -02 22 33.1 V 291
2022-04-09 03:23:30 C 12 00 40.40 -02 22 36.1 V 291
2022-04-20 07:15:01 C 11 48 22.360 -04 13 45.09 U F52
2022-04-20 07:50:19 C 11 48 21.149 -04 13 58.61 U F52
2022-04-20 08:07:55 C 11 48 20.544 -04 14 05.06 U F52