2017 AD21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2848690040
Semi-major axis (a)1.4215618596 AU
Inclination (i)3.19956738°
Long. of Asc. Node (Ω)262.97552557° ± 5.00e+00
Arg. of Perihelion (ω)183.65944973° ± 6.00e+00
Mean Anomaly (M)95.99059489°
Mean Motion (n)0.5815162900°/day
Perihelion dist (q)1.01653970 AU
Aphelion dist (Q)1.82655590 AU
Orbital Period1.69489270 yr
Physical Parameters
H (abs. magnitude)27.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.127″
Uncertainty
Orbit TypeAmor
MOID0.031968 AU
Observations Used6
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-01-04
Observations (6)
Date Type RA Dec Mag Band Observatory
2017-01-03 12:27:57 C 09 03 10.567 -05 17 38.06 L F51
2017-01-03 12:58:47 C 09 03 12.862 -05 18 25.29 L F51
2017-01-03 13:14:12 C 09 03 14.023 -05 18 49.31 L F51
2017-01-04 13:16:51 C 09 05 52.802 -05 54 08.19 U 568
2017-01-04 13:18:41 C 09 05 52.925 -05 54 10.72 U 568
2017-01-04 13:20:30 C 09 05 53.049 -05 54 13.28 U 568