IAA RAS IAA Minor Planet Database

2021 DK2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7304708000
Semi-major axis (a)2.0402985000 AU
Inclination (i)4.47774000°
Long. of Asc. Node (Ω)29.58564000°
Arg. of Perihelion (ω)21.35929000°
Mean Anomaly (M)248.14950000°
Mean Motion (n)0.3381921500°/day
Perihelion dist (q)0.54992000 AU
Aphelion dist (Q)3.53067700 AU
Orbital Period2.91434230 yr
Physical Parameters
H (abs. magnitude)22.94
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.750″
Uncertainty8
Orbit TypeApollo
MOID0.070371 AU
Observations Used18
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-03-05
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-02-22 14:11:47 C 12 26 47.708 +13 49 12.19 – U F51
2021-02-22 14:28:11 C 12 26 43.274 +13 49 20.55 – U F51
2021-02-22 14:44:35 C 12 26 38.898 +13 49 28.68 – U F51
2021-02-23 06:48:52 C 12 22 33.36 +13 57 47.5 – V 807
2021-02-23 06:58:10 C 12 22 30.92 +13 57 51.9 – V 807
2021-02-23 07:07:33 C 12 22 28.50 +13 57 56.2 – V 807
2021-02-23 09:56:38 C 12 21 45.99 +13 58 44.8 – V 291
2021-02-23 10:12:58 C 12 21 41.78 +13 58 52.4 – V 291
2021-02-23 10:29:18 C 12 21 37.58 +13 59 00.0 – V 291
2021-02-24 09:17:33 C 12 16 03.21 +14 09 01.6 – V 695
2021-02-24 09:23:49 C 12 16 01.65 +14 09 04.3 – V 695
2021-02-24 09:30:07 C 12 16 00.13 +14 09 06.7 – V 695
2021-03-04 07:22:42 C 11 38 11.58 +14 56 57.7 – u H21
2021-03-04 07:33:13 C 11 38 09.87 +14 56 59.3 – u H21
2021-03-04 07:40:31 C 11 38 08.64 +14 57 00.2 – u H21
2021-03-05 05:38:21 C 11 34 39.90 +14 59 21.6 – u H21
2021-03-05 05:48:33 C 11 34 38.27 +14 59 22.3 – u H21
2021-03-05 05:50:46 C 11 34 37.92 +14 59 22.7 – u H21