2011 DW

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2753179779 ± 1.44e-07
Semi-major axis (a)0.8398771629 AU ± 4.04e-10
Inclination (i)25.07801255° ± 1.81e-05
Long. of Asc. Node (Ω)159.52922644° ± 8.56e-07
Arg. of Perihelion (ω)152.57453684° ± 2.40e-05
Mean Anomaly (M)275.93004843° ± 4.66e-05
Mean Motion (n)1.2805266384°/day ± 9.23e-10
Perihelion dist (q)0.60864388 AU ± 1.21e-07
Aphelion dist (Q)1.07111045 AU ± 1.21e-07
Orbital Period0.76970385 yr ± 5.55e-10
Physical Parameters
H (abs. magnitude)22.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.313″
Uncertainty0
Orbit TypeAten
MOID0.033455 AU
Observations Used199
Oppositions3
Arc Total2011-2021
First Observation Used2011-02-23
Last Observation Used2021-03-06
Observations (205)
Date Type RA Dec Mag Band Observatory
2021-03-05 21:14:41 C 08 16 44.24 +63 59 07.7 V K87
2021-03-06 03:57:01 C 08 07 05.46 +65 30 37.7 V 703
2021-03-06 04:04:40 C 08 06 53.28 +65 32 17.1 V 703
2021-03-06 04:12:25 C 08 06 40.73 +65 33 57.6 V 703
2021-03-06 04:20:24 C 08 06 28.03 +65 35 40.2 V 703