2021 DK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6281312179 ± 4.64e-08
Semi-major axis (a)1.5345947055 AU ± 2.83e-08
Inclination (i)7.83297429° ± 1.03e-05
Long. of Asc. Node (Ω)181.40779371° ± 2.93e-05
Arg. of Perihelion (ω)230.70161926° ± 3.20e-05
Mean Anomaly (M)211.49824250° ± 2.35e-05
Mean Motion (n)0.5184677327°/day ± 1.43e-08
Perihelion dist (q)0.57066786 AU ± 7.20e-08
Aphelion dist (Q)2.49852155 AU ± 8.48e-08
Orbital Period1.90103688 yr ± 5.26e-08
Physical Parameters
H (abs. magnitude)21.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.074371 AU
Observations Used108
Oppositions1
Arc Total2021-2024
First Observation Used2021-02-16
Last Observation Used2024-08-05
Observations (112)
Date Type RA Dec Mag Band Observatory
2022-06-29 07:32:44 C 17 36 55.231 -05 53 32.02 V T12
2022-07-04 10:41:26 C 17 24 56.486 -05 41 16.01 V T12
2022-07-04 10:51:48 C 17 24 55.457 -05 41 15.19 V T12
2022-07-04 11:14:44 C 17 24 53.164 -05 41 13.48 V T12
2023-03-17 08:58:28 C 13 29 12.48 -07 13 42.0 V 807
2023-03-17 09:07:31 C 13 29 11.64 -07 13 35.2 V 807
2023-03-17 09:17:34 C 13 29 10.73 -07 13 26.7 V 807
2024-07-16 23:15:28 C 18 57 17.26 +05 13 12.5 V Z84
2024-07-16 23:37:33 C 18 57 13.76 +05 13 27.0 V Z84
2024-08-05 08:53:01 C 17 15 56.194 +09 26 13.75 X F51
2024-08-05 09:26:32 C 17 15 46.257 +09 26 25.34 X F51
2024-08-05 09:43:18 C 17 15 41.358 +09 26 30.96 X F51