2012 QC18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5199788517 ± 1.17e-08
Semi-major axis (a)2.2289683768 AU ± 1.57e-09
Inclination (i)1.64561207° ± 2.83e-06
Long. of Asc. Node (Ω)223.87368470° ± 1.60e-04
Arg. of Perihelion (ω)124.99462847° ± 1.78e-04
Mean Anomaly (M)347.00161348° ± 8.17e-06
Mean Motion (n)0.2961804684°/day ± 3.12e-10
Perihelion dist (q)1.06995196 AU ± 2.60e-08
Aphelion dist (Q)3.38798479 AU ± 2.61e-08
Orbital Period3.32778960 yr ± 3.51e-09
Physical Parameters
H (abs. magnitude)23.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.246″
Uncertainty0
Orbit TypeAmor
MOID0.066121 AU
Observations Used78
Oppositions7
Arc Total2012-2022
First Observation Used2012-08-26
Last Observation Used2022-10-01
Observations (80)
Date Type RA Dec Mag Band Observatory
2012-08-26 04:20:33 C 21 28 27.44 +08 26 03.0 r G96
2012-08-26 04:33:53 C 21 28 31.62 +08 26 40.4 r G96
2012-08-26 04:47:21 C 21 28 35.79 +08 27 18.1 r G96
2012-08-26 05:00:46 C 21 28 40.00 +08 27 55.8 r G96
2012-08-26 05:47:41 C 21 28 52.17 +08 29 55.1 t H21
2012-08-26 05:51:47 C 21 28 53.43 +08 30 06.3 t H21
2012-08-26 05:55:51 C 21 28 54.70 +08 30 17.7 t H21
2012-08-26 05:59:42 C 21 28 55.91 +08 30 28.3 t H21
2012-08-26 06:09:40 C 21 29 01.42 +08 31 08.4 r G96
2012-08-26 06:22:32 C 21 29 05.46 +08 31 44.1 r G96
2012-08-26 06:35:25 C 21 29 09.42 +08 32 20.1 r G96
2012-08-26 06:48:25 C 21 29 13.45 +08 32 56.1 r G96
2012-08-26 22:01:24 C 21 34 29.85 +09 15 13.7 u 203
2012-08-26 22:50:32 C 21 34 45.98 +09 17 33.2 u 203
2012-08-26 23:42:00 C 21 35 03.78 +09 19 59.8 v I93
2012-08-26 23:52:17 C 21 35 07.17 +09 20 28.7 v I93
2012-08-27 00:04:47 C 21 35 11.25 +09 21 04.4 v I93
2012-08-27 03:03:35 C 21 36 19.66 +09 29 38.1 u H36
2012-08-27 03:11:14 C 21 36 22.12 +09 29 59.8 u H36
2012-08-27 03:19:35 C 21 36 24.92 +09 30 21.2 u H36
2012-08-29 04:10:08 C 21 54 44.54 +11 51 38.9 u H21
2012-08-29 04:14:11 C 21 54 46.02 +11 51 50.9 u H21
2012-08-29 04:18:14 C 21 54 47.51 +11 52 03.3 u H21
2012-08-29 04:22:18 C 21 54 49.01 +11 52 15.2 u H21
2012-08-29 04:26:19 C 21 54 50.50 +11 52 27.0 u H21
2012-09-04 03:45:33 C 22 58 45.25 +18 40 16.8 u H21
2012-09-04 03:48:28 C 22 58 46.56 +18 40 24.9 u H21
2012-09-04 03:51:30 C 22 58 47.94 +18 40 32.6 u H21
2012-09-04 03:54:40 C 22 58 49.37 +18 40 41.2 u H21
2012-09-05 07:27:00 C 23 12 10.58 +19 49 42.9 v H21
2012-09-05 07:31:18 C 23 12 12.53 +19 49 52.9 v H21
2012-09-05 07:35:35 C 23 12 14.55 +19 50 02.6 v H21
2012-09-05 07:39:50 C 23 12 16.52 +19 50 12.6 v H21
2012-09-06 04:15:18 C 23 22 32.27 +20 38 16.0 v H21
2012-09-06 04:19:43 C 23 22 34.35 +20 38 26.2 v H21
2012-09-06 04:24:10 C 23 22 36.41 +20 38 36.5 v H21
2012-09-06 04:28:25 C 23 22 38.41 +20 38 46.0 v H21
2012-09-06 21:22:36 C 23 31 01.26 +21 15 16.1 t J84
2012-09-06 21:33:34 C 23 31 06.47 +21 15 39.3 t J84
2012-09-06 21:44:33 C 23 31 11.72 +21 16 04.1 t J84
2012-09-07 04:24:01 C 23 34 28.89 +21 30 24.3 u H21
2012-09-07 04:28:04 C 23 34 30.81 +21 30 33.1 u H21
2012-09-07 04:33:34 C 23 34 33.38 +21 30 45.1 u H21
2012-09-09 02:19:51 C 23 56 53.92 +22 55 37.4 t 204
2012-09-09 02:34:06 C 23 57 00.52 +22 55 59.8 t 204
2012-09-09 02:48:08 C 23 57 07.03 +22 56 21.8 t 204
2012-09-10 03:32:25 C 00 09 08.64 +23 34 36.0 v H21
2012-09-10 03:37:39 C 00 09 11.03 +23 34 44.5 v H21
2012-09-10 03:43:38 C 00 09 13.74 +23 34 53.6 v H21
2012-09-10 03:47:36 C 00 09 15.54 +23 34 59.6 v H21