2021 DF

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3378792000
Semi-major axis (a)1.5139705000 AU
Inclination (i)15.96458000°
Long. of Asc. Node (Ω)147.96057000°
Arg. of Perihelion (ω)347.41069000°
Mean Anomaly (M)205.37555000°
Mean Motion (n)0.5290880700°/day
Perihelion dist (q)1.00243140 AU
Aphelion dist (Q)2.02550960 AU
Orbital Period1.86284240 yr
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty7
Orbit TypeAmor
MOID0.020180 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-22
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-02-21 11:22:44 C 11 43 16.22 +51 16 45.2 V I52
2021-02-21 11:24:09 C 11 43 17.99 +51 16 54.8 V I52
2021-02-22 10:25:51 C 12 12 03.28 +53 30 11.5 V I52
2021-02-22 10:27:59 C 12 12 05.55 +53 30 21.0 V I52
2021-02-22 10:30:07 C 12 12 07.79 +53 30 30.7 V I52
2021-02-22 10:32:15 C 12 12 10.06 +53 30 39.6 V I52