2021 DN

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5892474000
Semi-major axis (a)1.9239044000 AU
Inclination (i)2.95162000°
Long. of Asc. Node (Ω)8.08203000°
Arg. of Perihelion (ω)67.40406000°
Mean Anomaly (M)299.92688000°
Mean Motion (n)0.3693421100°/day
Perihelion dist (q)0.79024870 AU
Aphelion dist (Q)3.05756010 AU
Orbital Period2.66854930 yr
Physical Parameters
H (abs. magnitude)23.86
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.960″
Uncertainty7
Orbit TypeApollo
MOID0.002565 AU
Observations Used39
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-11
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-02-17 06:58:23 C 07 57 45.678 +46 48 15.20 U F51
2021-02-17 07:19:14 C 07 58 02.210 +46 45 34.48 U F51
2021-02-17 08:00:56 C 07 58 34.966 +46 40 12.35 V F51
2021-02-17 18:02:13 C 08 06 27.73 +45 22 25.9 V 595
2021-02-17 18:23:15 C 08 06 42.92 +45 19 50.4 V 595
2021-02-17 18:44:16 C 08 06 57.83 +45 17 16.9 V 595
2021-02-17 18:56:02 C 08 07 06.71 +45 15 47.3 V 204
2021-02-17 19:15:21 C 08 07 20.41 +45 13 25.0 V 204
2021-02-17 21:05:44 C 08 08 37.34 +44 59 49.8 V 587
2021-02-17 21:06:39 C 08 08 37.96 +44 59 43.0 V 587
2021-02-17 21:07:34 C 08 08 38.58 +44 59 36.1 V 587
2021-02-18 01:50:28 C 08 11 50.50 +44 24 14.1 V 033
2021-02-18 01:52:03 C 08 11 51.60 +44 24 02.1 V 033
2021-02-18 01:53:38 C 08 11 52.64 +44 23 50.5 V 033
2021-02-18 03:05:52 C 08 12 51.51 +44 15 14.0 q U55
2021-02-18 03:18:36 C 08 12 59.81 +44 13 44.7 q U55
2021-02-18 03:31:19 C 08 13 08.10 +44 12 12.8 q U55
2021-02-18 05:08:51 C 08 14 11.21 +44 01 02.5 V 654
2021-02-18 06:02:23 C 08 14 44.73 +43 54 38.3 V 654
2021-02-18 07:01:05 C 08 15 21.16 +43 47 35.3 V 654
2021-02-18 18:46:10 C 08 22 39.64 +42 24 32.0 V J95
2021-02-18 19:05:36 C 08 22 50.69 +42 22 21.6 V J95
2021-02-18 19:22:19 C 08 23 00.13 +42 20 30.4 V J95
2021-02-18 19:52:15 C 08 23 16.07 +42 17 31.9 V L74
2021-02-18 19:55:17 C 08 23 17.73 +42 17 11.6 V L74
2021-02-20 01:35:41 C 08 38 13.64 +39 08 00.3 u H21
2021-02-20 01:41:16 C 08 38 16.04 +39 07 27.8 u H21
2021-02-20 01:46:26 C 08 38 18.24 +39 06 57.6 u H21
2021-02-21 03:49:37 C 08 48 35.96 +36 41 16.4 V I52
2021-02-21 03:51:02 C 08 48 36.40 +36 41 09.1 V I52
2021-02-21 03:52:27 C 08 48 36.90 +36 41 02.0 V I52
2021-02-21 03:53:52 C 08 48 37.32 +36 40 54.7 V I52
2021-02-22 03:55:27 C 08 56 26.53 +34 41 23.5 V I52
2021-02-22 03:56:52 C 08 56 27.03 +34 41 16.4 V I52
2021-02-22 03:58:16 C 08 56 27.36 +34 41 09.9 V I52
2021-02-22 03:59:41 C 08 56 27.78 +34 41 03.5 V I52
2021-03-02 09:07:35 C 09 31 10.65 +24 19 13.5 V 695
2021-03-02 09:28:09 C 09 31 12.66 +24 18 29.8 V 695
2021-03-02 09:48:41 C 09 31 14.66 +24 17 46.2 V 695
2021-03-07 03:24:40 C 09 41 17.34 +21 00 04.2 u H21
2021-03-07 03:51:06 C 09 41 19.08 +20 59 26.6 u H21
2021-03-07 04:19:07 C 09 41 20.89 +20 58 46.3 u H21
2021-03-11 08:47:15 C 09 47 55.87 +18 51 00.0 o 291
2021-03-11 09:27:09 C 09 47 58.01 +18 50 13.8 o 291