2013 AC4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6253463000
Semi-major axis (a)1.4128943000 AU
Inclination (i)3.14583000°
Long. of Asc. Node (Ω)101.87470000°
Arg. of Perihelion (ω)255.02642000°
Mean Anomaly (M)273.14199000°
Mean Motion (n)0.5868668400°/day
Perihelion dist (q)0.52934610 AU
Aphelion dist (Q)2.29644250 AU
Orbital Period1.67944010 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty8
Orbit TypeApollo
MOID0.003168 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2013-01-07
Observations (21)
Date Type RA Dec Mag Band Observatory
2013-01-03 07:18:33 C 05 37 59.30 +23 26 06.1 r G96
2013-01-03 07:36:52 C 05 38 04.20 +23 26 53.7 r G96
2013-01-03 07:46:07 C 05 38 06.64 +23 27 17.7 r G96
2013-01-03 07:55:22 C 05 38 09.06 +23 27 40.8 r G96
2013-01-03 09:03:38 C 05 38 27.31 +23 30 29.3 r G96
2013-01-03 09:04:49 C 05 38 27.56 +23 30 31.7 r G96
2013-01-03 09:05:59 C 05 38 27.88 +23 30 34.2 r G96
2013-01-03 09:07:06 C 05 38 28.10 +23 30 36.9 r G96
2013-01-03 09:08:15 C 05 38 28.53 +23 30 39.9 r G96
2013-01-04 02:41:02 C 05 43 16.28 +24 08 54.2 r G96
2013-01-04 02:42:11 C 05 43 16.46 +24 08 57.3 r G96
2013-01-04 02:43:18 C 05 43 16.68 +24 08 59.1 r G96
2013-01-04 02:44:26 C 05 43 16.93 +24 09 01.8 r G96
2013-01-04 02:45:36 C 05 43 17.18 +24 09 03.4 r G96
2013-01-05 03:40:45 C 05 47 51.02 +24 46 51.3 o 291
2013-01-05 03:43:56 C 05 47 51.43 +24 46 55.9 o 291
2013-01-05 03:47:06 C 05 47 51.83 +24 47 00.5 o 291
2013-01-07 04:18:48 C 05 53 29.37 +25 31 01.0 u H21
2013-01-07 04:21:25 C 05 53 29.53 +25 31 02.5 u H21
2013-01-07 04:46:10 C 05 53 31.16 +25 31 18.9 u H21
2013-01-07 05:11:47 C 05 53 32.88 +25 31 36.1 u H21