2021 DR

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1483282643 ± 2.68e-05
Semi-major axis (a)0.8947356299 AU ± 1.55e-05
Inclination (i)1.48405943° ± 2.90e-04
Long. of Asc. Node (Ω)143.02569839° ± 2.79e-04
Arg. of Perihelion (ω)217.82708437° ± 1.32e-03
Mean Anomaly (M)1.46436249° ± 5.21e-02
Mean Motion (n)1.1645822811°/day ± 3.02e-05
Perihelion dist (q)0.76202105 AU ± 2.73e-05
Aphelion dist (Q)1.02745021 AU ± 2.98e-05
Orbital Period0.84633460 yr ± 2.20e-05
Physical Parameters
H (abs. magnitude)27.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.340″
Uncertainty2
Orbit TypeAten
MOID0.001025 AU
Observations Used68
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-17
Last Observation Used2021-03-06
Observations (69)
Date Type RA Dec Mag Band Observatory
2021-02-23 03:40:53 C 09 18 20.94 +30 08 03.9 V I52
2021-02-23 04:04:35 C 09 18 08.17 +30 09 08.0 o 291
2021-02-23 04:26:41 C 09 17 55.72 +30 10 03.5 o 291
2021-02-23 04:48:44 C 09 17 43.20 +30 10 57.6 o 291
2021-03-02 02:21:30 C 08 29 24.97 +33 02 01.8 u H21
2021-03-02 02:28:54 C 08 29 23.16 +33 02 06.4 u H21
2021-03-02 02:36:02 C 08 29 21.43 +33 02 10.8 u H21
2021-03-02 03:53:34 C 08 29 09.268 +33 03 01.95 V G37
2021-03-02 03:54:04 C 08 29 09.143 +33 03 02.23 V G37
2021-03-02 03:54:34 C 08 29 09.007 +33 03 02.59 V G37
2021-03-03 02:43:29 C 08 25 20.81 +33 11 18.2 u H21
2021-03-03 02:51:02 C 08 25 19.13 +33 11 20.8 u H21
2021-03-03 02:55:39 C 08 25 18.09 +33 11 22.8 u H21
2021-03-03 03:40:28 C 08 25 14.98 +33 12 03.3 V 291
2021-03-03 04:15:02 C 08 25 07.27 +33 12 20.0 V 291
2021-03-04 03:11:49 C 08 21 51.57 +33 18 51.5 V 291
2021-03-04 03:33:47 C 08 21 47.14 +33 19 01.1 V 291
2021-03-06 08:26:14 C 08 15 14.08 +33 28 27.8 o 291
2021-03-06 09:01:08 C 08 15 09.49 +33 28 19.0 o 291