2021 DR2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5167537627 ± 5.91e-08
Semi-major axis (a)2.5820604931 AU ± 4.69e-08
Inclination (i)26.43620215° ± 1.22e-05
Long. of Asc. Node (Ω)340.80695758° ± 8.50e-06
Arg. of Perihelion (ω)247.31845533° ± 1.63e-05
Mean Anomaly (M)29.88756179° ± 1.30e-05
Mean Motion (n)0.2375541692°/day ± 6.47e-09
Perihelion dist (q)1.24777102 AU ± 1.54e-07
Aphelion dist (Q)3.91634997 AU ± 1.68e-07
Orbital Period4.14905908 yr ± 1.13e-07
Physical Parameters
H (abs. magnitude)20.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.204″
Uncertainty0
Orbit TypeAmor
MOID0.429775 AU
Observations Used64
Oppositions6
Arc Total2017-2025
First Observation Used2017-08-13
Last Observation Used2025-02-24
Observations (65)
Date Type RA Dec Mag Band Observatory
2021-04-30 01:46:50 C 09 16 52.53 -41 28 16.2 V 807
2021-04-30 01:51:05 C 09 16 52.36 -41 28 19.8 V 807
2021-05-13 23:59:14 C 09 13 43.99 -46 05 10.7 u 807
2021-05-14 00:06:43 C 09 13 44.13 -46 05 16.7 u 807
2021-05-14 00:13:57 C 09 13 44.22 -46 05 22.7 u 807
2021-06-20 00:23:39 C 10 23 54.95 -58 41 13.5 V 807
2021-06-20 00:31:37 C 10 23 56.20 -58 41 19.5 V 807
2021-06-20 00:39:35 C 10 23 57.45 -58 41 26.1 V 807
2025-01-27 07:26:13 C 09 42 02.387 +41 26 10.21 V V06
2025-01-27 07:35:24 C 09 42 01.663 +41 26 10.14 V V06
2025-01-27 07:44:36 C 09 42 00.983 +41 26 10.39 V V06
2025-02-24 07:02:41 C 08 42 29.473 +38 21 25.24 V V00
2025-02-24 07:10:46 C 08 42 28.796 +38 21 20.16 V V00
2025-02-24 07:18:51 C 08 42 28.098 +38 21 14.94 V V00
2025-02-24 07:26:55 C 08 42 27.418 +38 21 09.97 V V00