2011 YD40

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3082566000
Semi-major axis (a)1.8575360000 AU
Inclination (i)34.27826000°
Long. of Asc. Node (Ω)293.56918000°
Arg. of Perihelion (ω)105.49013000°
Mean Anomaly (M)213.85547000°
Mean Motion (n)0.3893123900°/day
Perihelion dist (q)1.28493830 AU
Aphelion dist (Q)2.43013370 AU
Orbital Period2.53166280 yr
Physical Parameters
H (abs. magnitude)21.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.410″
Uncertainty6
Orbit TypeAmor
MOID0.497821 AU
Observations Used32
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-01-29
Observations (32)
Date Type RA Dec Mag Band Observatory
2011-12-29 09:46:33 C 08 46 52.35 +29 09 10.6 r G96
2011-12-29 09:59:01 C 08 46 50.59 +29 08 51.4 r G96
2011-12-29 10:11:33 C 08 46 48.93 +29 08 31.8 r G96
2011-12-29 10:24:05 C 08 46 47.17 +29 08 11.9 r G96
2011-12-29 11:52:58 C 08 46 35.01 +29 05 53.6 o 291
2011-12-29 11:54:05 C 08 46 35.62 +29 05 55.7 o F65
2011-12-29 11:55:40 C 08 46 34.65 +29 05 49.5 o 291
2011-12-29 11:55:49 C 08 46 35.36 +29 05 53.1 o F65
2011-12-29 11:57:33 C 08 46 35.08 +29 05 50.4 o F65
2011-12-29 11:58:20 C 08 46 34.28 +29 05 45.7 o 291
2011-12-29 11:59:17 C 08 46 34.89 +29 05 47.6 o F65
2011-12-29 12:01:01 C 08 46 34.70 +29 05 46.1 o F65
2011-12-29 12:02:40 C 08 46 34.36 +29 05 42.5 o F65
2011-12-29 12:04:24 C 08 46 34.17 +29 05 39.8 o F65
2011-12-29 12:06:07 C 08 46 33.97 +29 05 38.4 o F65
2011-12-29 12:07:51 C 08 46 33.77 +29 05 35.9 o F65
2011-12-30 11:27:40 C 08 43 25.41 +28 29 05.7 r G96
2011-12-30 11:30:04 C 08 43 25.05 +28 29 02.5 r G96
2011-12-30 11:32:28 C 08 43 24.72 +28 28 58.0 r G96
2011-12-30 11:34:51 C 08 43 24.40 +28 28 54.9 r G96
2011-12-31 11:24:38 C 08 40 11.02 +27 51 11.3 r G96
2011-12-31 11:26:21 C 08 40 10.81 +27 51 08.8 r G96
2012-01-14 07:57:14 C 07 55 29.12 +18 37 41.2 t H21
2012-01-14 08:08:50 C 07 55 27.59 +18 37 21.7 t H21
2012-01-14 08:20:11 C 07 55 26.14 +18 37 03.0 t H21
2012-01-18 08:02:37 C 07 43 52.11 +16 02 37.2 o 291
2012-01-18 08:05:19 C 07 43 51.79 +16 02 33.2 o 291
2012-01-18 08:08:00 C 07 43 51.49 +16 02 29.0 o 291
2012-01-29 03:41:26 C 07 18 12.74 +09 56 35.6 u H21
2012-01-29 03:58:07 C 07 18 11.32 +09 56 15.1 u H21
2012-01-29 04:12:20 C 07 18 10.15 +09 55 57.8 u H21
2012-01-29 04:24:19 C 07 18 09.12 +09 55 43.3 u H21