2021 DN1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4500495000
Semi-major axis (a)1.7455293000 AU
Inclination (i)3.16772000°
Long. of Asc. Node (Ω)330.66155000°
Arg. of Perihelion (ω)152.66229000°
Mean Anomaly (M)31.20455000°
Mean Motion (n)0.4273791800°/day
Perihelion dist (q)0.95995470 AU
Aphelion dist (Q)2.53110390 AU
Orbital Period2.30616680 yr
Physical Parameters
H (abs. magnitude)28.14
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.650″
Uncertainty6
Orbit TypeApollo
MOID0.002260 AU
Observations Used33
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-22
Observations (40)
Date Type RA Dec Mag Band Observatory
2021-02-18 05:56:06 C 09 45 17.40 +47 21 18.0 U I41
2021-02-18 05:56:36 C 09 45 25.21 +47 19 39.1 U I41
2021-02-18 06:54:52 C 09 59 49.22 +44 07 01.4 U I41
2021-02-18 06:55:23 C 09 59 56.15 +44 05 20.4 U I41
2021-02-19 08:45:54 C 11 56 13.65 -00 29 29.9 V 703
2021-02-19 08:53:30 C 11 56 20.49 -00 34 12.6 V 703
2021-02-19 09:01:08 C 11 56 27.34 -00 38 58.6 V 703
2021-02-19 09:08:44 C 11 56 34.08 -00 43 44.4 V 703
2021-02-19 09:48:36 C 11 57 09.15 -01 08 04.5 V I52
2021-02-19 09:49:10 C 11 57 09.65 -01 08 24.9 V I52
2021-02-19 09:49:44 C 11 57 10.13 -01 08 45.1 V I52
2021-02-19 09:50:18 C 11 57 10.62 -01 09 05.4 V I52
2021-02-19 11:50:24 C 11 58 51.54 -02 16 51.6 V I52
2021-02-19 11:51:21 C 11 58 52.35 -02 17 21.8 V I52
2021-02-19 11:52:17 C 11 58 53.14 -02 17 51.7 V I52
2021-02-19 12:10:18 C 12 00 41.84 -01 58 33.1 V 474
2021-02-19 12:10:55 C 12 00 42.34 -01 58 52.6 V 474
2021-02-19 12:11:31 C 12 00 42.84 -01 59 12.6 V 474
2021-02-19 12:12:08 C 12 00 43.36 -01 59 32.3 V 474
2021-02-19 15:04:23 C 12 02 48.31 -03 25 40.1 V 474
2021-02-19 15:05:10 C 12 02 48.81 -03 26 01.8 V 474
2021-02-19 15:05:57 C 12 02 49.33 -03 26 23.4 V 474
2021-02-19 15:06:44 C 12 02 49.84 -03 26 45.0 V 474
2021-02-19 22:59:14 C 12 09 07.96 -06 54 18.4 V D00
2021-02-19 22:59:34 C 12 09 08.14 -06 54 24.7 V D00
2021-02-19 22:59:55 C 12 09 08.25 -06 54 30.8 V D00
2021-02-19 23:00:15 C 12 09 08.39 -06 54 36.7 V D00
2021-02-19 23:00:35 C 12 09 08.54 -06 54 43.2 V D00
2021-02-20 14:14:33 C 12 16 44.28 -10 11 39.7 V 474
2021-02-20 14:16:00 C 12 16 44.58 -10 11 55.5 V 474
2021-02-20 14:17:27 C 12 16 44.89 -10 12 11.6 V 474
2021-02-21 06:59:29 C 12 21 47.83 -12 49 37.9 u H21
2021-02-21 07:04:23 C 12 21 48.28 -12 50 11.0 u H21
2021-02-21 07:07:36 C 12 21 48.57 -12 50 32.2 u H21
2021-02-21 07:23:21 C 12 22 04.12 -12 51 04.9 V I52
2021-02-21 07:23:58 C 12 22 04.26 -12 51 10.7 V I52
2021-02-21 07:24:34 C 12 22 04.25 -12 51 16.4 V I52
2021-02-22 08:56:28 C 12 26 19.09 -14 55 52.8 V I52
2021-02-22 08:58:17 C 12 26 19.09 -14 55 59.3 V I52
2021-02-22 09:00:06 C 12 26 19.13 -14 56 05.1 V I52