2011 DW4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3528380405
Semi-major axis (a)1.5590132463 AU
Inclination (i)1.18061900°
Long. of Asc. Node (Ω)156.34690936°
Arg. of Perihelion (ω)6.40384565°
Mean Anomaly (M)202.01148966°
Mean Motion (n)0.5062965300°/day
Perihelion dist (q)1.00893380 AU
Aphelion dist (Q)2.10920960 AU
Orbital Period1.94670050 yr
Physical Parameters
H (abs. magnitude)27.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.330″
Uncertainty
Orbit TypeAmor
MOID0.017415 AU
Observations Used14
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-02-25
Observations (14)
Date Type RA Dec Mag Band Observatory
2011-02-25 03:45:42 C 08 36 18.03 +17 30 23.2 r G96
2011-02-25 03:55:41 C 08 36 25.23 +17 30 19.8 r G96
2011-02-25 04:15:54 C 08 36 39.78 +17 30 09.6 r G96
2011-02-25 04:51:36 C 08 37 04.14 +17 29 42.8 o H01
2011-02-25 05:01:57 C 08 37 11.57 +17 29 36.7 o H01
2011-02-25 05:12:01 C 08 37 18.84 +17 29 30.3 o H01
2011-02-25 05:27:11 C 08 37 29.79 +17 29 20.8 o H01
2011-02-25 08:41:45 C 08 39 54.39 +17 26 50.1 r G96
2011-02-25 08:43:06 C 08 39 55.44 +17 26 49.2 r G96
2011-02-25 08:44:27 C 08 39 56.48 +17 26 47.7 r G96
2011-02-25 08:45:50 C 08 39 57.49 +17 26 46.1 r G96
2011-02-25 13:36:18 C 08 44 17.97 +17 23 21.1 o 300
2011-02-25 13:44:01 C 08 44 23.89 +17 23 14.8 o 300
2011-02-25 13:47:53 C 08 44 26.77 +17 23 10.9 o 300