2013 SD21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5531591000
Semi-major axis (a)2.2540755000 AU
Inclination (i)7.82886000°
Long. of Asc. Node (Ω)183.23607000°
Arg. of Perihelion (ω)209.35555000°
Mean Anomaly (M)205.71524000°
Mean Motion (n)0.2912402400°/day
Perihelion dist (q)1.00721310 AU
Aphelion dist (Q)3.50093790 AU
Orbital Period3.38417400 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.230″
Uncertainty6
Orbit TypeAmor
MOID0.035749 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-10-03
Observations (31)
Date Type RA Dec Mag Band Observatory
2013-09-27 07:17:15 C 22 38 08.964 -06 54 41.34 L F51
2013-09-27 07:37:43 C 22 38 16.720 -06 56 24.37 L F51
2013-09-27 07:58:12 C 22 38 24.483 -06 58 07.75 L F51
2013-09-27 08:18:43 C 22 38 32.265 -06 59 50.99 L F51
2013-09-28 04:56:16 C 22 47 52.93 -08 51 12.5 q H21
2013-09-28 04:59:56 C 22 47 54.59 -08 51 33.3 q H21
2013-09-28 05:03:27 C 22 47 56.16 -08 51 53.3 q H21
2013-09-28 05:06:37 C 22 47 57.58 -08 52 10.8 q H21
2013-09-28 06:51:35 C 22 48 56.561 -09 01 25.25 t 568
2013-09-28 06:53:23 C 22 48 57.384 -09 01 35.75 t 568
2013-09-28 06:55:11 C 22 48 58.205 -09 01 46.17 t 568
2013-09-28 06:56:59 C 22 48 59.022 -09 01 56.69 t 568
2013-09-28 06:58:48 C 22 48 59.843 -09 02 07.13 t 568
2013-09-28 07:00:36 C 22 49 00.661 -09 02 17.66 t 568
2013-09-28 20:26:46 C 22 55 58.78 -10 24 04.2 q 246
2013-09-28 20:28:41 C 22 55 59.84 -10 24 16.1 q 246
2013-09-28 20:29:24 C 22 56 00.22 -10 24 21.2 q 246
2013-09-28 20:31:26 C 22 56 01.19 -10 24 33.6 q 246
2013-09-28 22:57:37 C 22 57 17.53 -10 39 56.5 o 033
2013-09-28 23:14:51 C 22 57 26.59 -10 41 45.2 o 033
2013-09-29 23:38:54 C 23 12 37.99 -13 23 49.0 u 807
2013-09-29 23:42:31 C 23 12 40.34 -13 24 16.3 u 807
2013-09-29 23:46:09 C 23 12 42.66 -13 24 43.0 u 807
2013-09-29 23:49:48 C 23 12 45.01 -13 25 09.9 u 807
2013-09-29 23:53:26 C 23 12 47.37 -13 25 36.9 u 807
2013-09-30 03:45:37 C 23 15 23.45 -13 57 30.6 o 926
2013-09-30 03:48:41 C 23 15 25.46 -13 57 53.8 o 926
2013-10-03 13:38:21 C 00 34 08.04 -25 55 05.4 o 474
2013-10-03 13:39:24 C 00 34 09.27 -25 55 15.4 o 474
2013-10-03 13:40:27 C 00 34 10.59 -25 55 25.6 o 474
2013-10-03 13:41:30 C 00 34 11.89 -25 55 35.6 o 474