2012 QD18

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4365026000
Semi-major axis (a)1.7662368000 AU ± 3.00e+00
Inclination (i)8.43605000° ± 4.00e+00
Long. of Asc. Node (Ω)152.81966000° ± 5.00e+00
Arg. of Perihelion (ω)146.15380000° ± 6.00e+00
Mean Anomaly (M)242.43522000°
Mean Motion (n)0.4198852900°/day
Perihelion dist (q)0.99526980 AU
Aphelion dist (Q)2.53720380 AU
Orbital Period2.34732590 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty8
Orbit TypeApollo
MOID0.023612 AU
Observations Used21
Oppositions1
Arc Total
First Observation Used
Last Observation Used2012-08-27
Observations (22)
Date Type RA Dec Mag Band Observatory
2012-08-21 07:50:54 C 20 16 53.01 +07 50 50.7 W F51
2012-08-21 08:10:24 C 20 17 19.46 +07 46 46.3 W F51
2012-08-21 08:21:07 C 20 17 34.00 +07 44 32.2 W F51
2012-08-26 06:13:25 C 22 24 07.70 -11 04 37.7 r G96
2012-08-26 06:26:13 C 22 24 16.23 -11 05 54.4 r G96
2012-08-26 06:39:11 C 22 24 25.05 -11 07 13.2 r G96
2012-08-26 06:52:06 C 22 24 33.66 -11 08 31.0 r G96
2012-08-26 07:44:46 C 22 25 04.54 -11 13 58.1 v H21
2012-08-26 07:49:10 C 22 25 07.52 -11 14 24.1 v H21
2012-08-26 07:53:32 C 22 25 10.49 -11 14 49.7 v H21
2012-08-26 07:57:30 C 22 25 13.13 -11 15 12.7 v H21
2012-08-26 08:02:26 C 22 25 20.38 -11 15 28.4 r G96
2012-08-26 08:16:20 C 22 25 29.60 -11 16 50.3 r G96
2012-08-26 08:30:17 C 22 25 38.82 -11 18 12.2 r G96
2012-08-26 08:44:14 C 22 25 48.03 -11 19 33.7 r G96
2012-08-27 00:26:55 C 22 36 25.80 -12 46 16.8 v I93
2012-08-27 00:35:08 C 22 36 30.64 -12 46 59.1 v I93
2012-08-27 00:47:30 C 22 36 37.99 -12 48 02.3 v I93
2012-08-27 04:18:01 C 22 38 57.18 -13 05 28.9 u H36
2012-08-27 04:22:52 C 22 39 00.35 -13 05 51.4 u H36
2012-08-27 04:32:41 C 22 39 06.15 -13 06 41.1 u H36
2012-08-27 04:42:29 C 22 39 11.83 -13 07 29.0 u H36