2011 DY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7495810233 ± 3.96e-01
Semi-major axis (a)2.0904894215 AU ± 2.14e+00
Inclination (i)6.09416923° ± 1.40e+00
Long. of Asc. Node (Ω)321.26333847° ± 6.78e+01
Arg. of Perihelion (ω)85.07628509° ± 1.92e+02
Mean Anomaly (M)48.09949417° ± 3.84e+03
Mean Motion (n)0.3430742200°/day ± 5.26e-01
Perihelion dist (q)0.45982040 AU ± 9.86e-01
Aphelion dist (Q)3.58197180 AU ± 3.83e+00
Orbital Period2.87287000 yr ± 4.40e+00
Physical Parameters
H (abs. magnitude)22.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.402″
Uncertainty4
Orbit TypeApollo
MOID0.001051 AU
Observations Used99
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-03-14
Observations (99)
Date Type RA Dec Mag Band Observatory
2011-02-25 08:52:55 C 10 44 03.26 -02 34 25.7 r 703
2011-02-25 09:03:46 C 10 44 00.27 -02 34 03.1 r 703
2011-02-25 09:14:41 C 10 43 57.36 -02 33 42.2 r 703
2011-02-25 09:25:36 C 10 43 54.51 -02 33 21.8 r 703
2011-02-25 10:15:57 C 10 43 40.81 -02 31 43.5 o H01
2011-02-25 10:21:45 C 10 43 39.28 -02 31 31.6 r 703
2011-02-25 10:22:46 C 10 43 39.07 -02 31 28.4 r 703
2011-02-25 10:23:45 C 10 43 38.74 -02 31 26.7 r 703
2011-02-25 10:24:47 C 10 43 38.53 -02 31 24.7 r 703
2011-02-25 10:26:07 C 10 43 38.07 -02 31 23.6 o H01
2011-02-25 10:37:12 C 10 43 35.15 -02 31 01.7 o H01
2011-02-25 10:47:27 C 10 43 32.44 -02 30 41.5 o H01
2011-02-25 16:27:25 C 10 42 07.86 -02 19 52.3 o 300
2011-02-25 16:30:44 C 10 42 06.98 -02 19 46.1 o 300
2011-02-25 16:34:04 C 10 42 06.15 -02 19 38.4 o 300
2011-02-25 16:37:23 C 10 42 05.30 -02 19 32.7 o 300
2011-02-25 20:41:38 C 10 41 07.38 -02 12 06.7 r 113
2011-02-25 20:50:14 C 10 41 05.21 -02 11 51.1 r 113
2011-02-25 20:58:50 C 10 41 03.07 -02 11 34.7 r 113
2011-02-25 21:07:27 C 10 41 00.88 -02 11 19.3 r 113
2011-02-25 22:50:36 C 10 40 35.20 -02 08 08.0 u 595
2011-02-25 22:55:09 C 10 40 34.25 -02 07 58.7 r 203
2011-02-25 23:05:01 C 10 40 31.56 -02 07 41.3 u 595
2011-02-25 23:09:42 C 10 40 30.49 -02 07 29.5 u 157
2011-02-25 23:15:12 C 10 40 29.07 -02 07 20.0 u 157
2011-02-25 23:19:26 C 10 40 28.21 -02 07 15.0 r 203
2011-02-26 09:08:59 C 10 38 09.76 -01 49 37.9 o 291
2011-02-26 09:14:21 C 10 38 08.44 -01 49 28.3 o 291
2011-02-26 09:19:43 C 10 38 07.16 -01 49 18.8 o 291
2011-02-26 12:47:00 C 10 37 21.79 -01 42 28.9 o 474
2011-02-26 12:49:39 C 10 37 21.22 -01 42 24.4 o 474
2011-02-26 12:52:19 C 10 37 20.58 -01 42 19.9 o 474
2011-02-26 12:54:00 C 10 37 20.19 -01 42 17.1 o 474
2011-02-27 09:59:28 C 10 32 55.079 -01 08 59.28 o F65
2011-02-27 10:00:46 C 10 32 54.816 -01 08 57.34 o F65
2011-02-27 10:01:58 C 10 32 54.580 -01 08 55.82 o F65
2011-02-27 10:03:16 C 10 32 54.278 -01 08 53.45 o F65
2011-02-27 10:04:28 C 10 32 54.036 -01 08 51.68 o F65
2011-02-27 10:05:43 C 10 32 53.765 -01 08 49.56 o F65
2011-02-27 10:06:56 C 10 32 53.515 -01 08 47.77 o F65
2011-02-27 10:08:11 C 10 32 53.257 -01 08 46.00 o F65
2011-02-27 10:09:25 C 10 32 53.002 -01 08 44.06 o F65
2011-02-27 10:10:37 C 10 32 52.738 -01 08 42.09 o F65
2011-02-27 10:11:49 C 10 32 52.516 -01 08 40.66 o F65
2011-02-27 10:13:02 C 10 32 52.231 -01 08 38.41 o F65
2011-02-27 11:39:00 C 10 32 35.63 -01 05 42.7 o 474
2011-02-27 11:40:50 C 10 32 35.25 -01 05 40.0 o 474
2011-02-27 11:42:19 C 10 32 34.94 -01 05 37.6 o 474
2011-03-03 05:38:03 C 10 18 22.17 +00 45 58.8 o H21
2011-03-03 05:46:02 C 10 18 21.09 +00 46 06.5 o H21