2021 DW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3614115000
Semi-major axis (a)1.4875846000 AU
Inclination (i)18.90315000°
Long. of Asc. Node (Ω)321.65668000°
Arg. of Perihelion (ω)127.16010000°
Mean Anomaly (M)252.38709000°
Mean Motion (n)0.5432272700°/day
Perihelion dist (q)0.94995440 AU
Aphelion dist (Q)2.02521480 AU
Orbital Period1.81435600 yr
Physical Parameters
H (abs. magnitude)24.58
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.840″
Uncertainty7
Orbit TypeApollo
MOID0.061347 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-03-09
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-02-17 08:27:52 C 08 53 18.072 -03 26 17.05 V F51
2021-02-17 08:45:25 C 08 53 16.554 -03 27 47.43 U F51
2021-02-17 09:03:00 C 08 53 15.050 -03 29 17.58 U F51
2021-02-17 09:20:31 C 08 53 13.554 -03 30 47.18 V F51
2021-02-18 01:16:34 C 08 52 17.66 -04 48 03.3 u 807
2021-02-18 01:23:54 C 08 52 17.16 -04 48 38.0 u 807
2021-02-18 01:31:08 C 08 52 16.53 -04 49 11.0 u 807
2021-02-18 10:17:03 C 08 51 45.61 -05 29 26.9 V 474
2021-02-18 10:20:30 C 08 51 45.37 -05 29 42.3 V 474
2021-02-18 10:23:57 C 08 51 45.13 -05 29 58.1 V 474
2021-02-18 10:27:24 C 08 51 44.89 -05 30 13.7 V 474
2021-02-19 02:18:33 C 08 50 55.40 -06 39 21.7 u 807
2021-02-19 02:25:48 C 08 50 54.94 -06 39 52.1 u 807
2021-02-19 05:07:26 C 08 50 46.81 -06 52 16.1 V I52
2021-02-19 05:12:15 C 08 50 46.54 -06 52 36.6 V I52
2021-02-19 05:17:05 C 08 50 46.18 -06 52 56.6 V I52
2021-02-19 05:21:54 C 08 50 45.89 -06 53 16.2 V I52
2021-02-19 10:41:45 C 08 50 30.20 -07 13 27.3 V 474
2021-02-19 10:46:52 C 08 50 29.91 -07 13 48.1 V 474
2021-02-20 09:53:03 C 08 49 29.49 -08 41 28.3 V 474
2021-02-20 09:58:10 C 08 49 29.17 -08 41 47.1 V 474
2021-02-20 10:03:18 C 08 49 28.94 -08 42 05.7 V 474
2021-03-08 01:46:36 C 08 46 18.16 -19 41 03.5 u 807
2021-03-08 02:06:48 C 08 46 18.26 -19 41 18.2 u 807
2021-03-08 02:26:28 C 08 46 18.32 -19 41 32.0 u 807
2021-03-09 02:14:35 C 08 46 39.81 -19 57 49.8 V 807
2021-03-09 02:30:16 C 08 46 39.93 -19 57 59.8 V 807
2021-03-09 02:46:29 C 08 46 40.05 -19 58 10.5 V 807