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
2012-09-11 08:36:19 C 00 22 35.71 +24 12 30.6 v H21
2012-09-11 08:40:37 C 00 22 37.55 +24 12 35.3 v H21
2012-09-11 08:49:12 C 00 22 41.28 +24 12 45.0 v H21
2012-09-12 07:07:45 C 00 32 50.16 +24 36 47.2 u H21
2012-09-12 07:13:03 C 00 32 52.38 +24 36 52.3 u H21
2012-09-12 07:18:21 C 00 32 54.57 +24 36 57.6 u H21
2012-09-12 07:23:46 C 00 32 56.85 +24 37 02.7 u H21
2012-09-13 06:12:08 C 00 42 57.68 +24 57 13.5 v H21
2012-09-13 06:17:26 C 00 42 59.80 +24 57 18.0 v H21
2012-09-13 06:22:44 C 00 43 01.93 +24 57 22.4 v H21
2012-09-13 06:28:00 C 00 43 04.04 +24 57 26.6 v H21
2012-09-17 05:05:46 C 01 20 12.98 +25 41 19.0 v H21
2012-09-17 05:13:28 C 01 20 15.54 +25 41 21.2 v H21
2012-09-17 05:19:52 C 01 20 17.64 +25 41 22.8 v H21
2012-09-17 05:25:41 C 01 20 19.56 +25 41 24.1 v H21
2022-09-03 11:03:20 C 01 57 43.232 +27 26 49.20 U F51
2022-09-03 11:21:14 C 01 57 49.103 +27 27 03.24 U F51
2022-09-03 11:39:04 C 01 57 54.957 +27 27 16.73 U F51
2022-09-03 11:57:10 C 01 58 00.885 +27 27 30.40 U F51
2022-09-04 06:24:03 C 02 04 24.30 +27 38 42.3 V H36
2022-09-04 06:59:35 C 02 04 35.70 +27 39 05.9 V H36
2022-09-04 07:34:38 C 02 04 47.08 +27 39 29.5 V H36
2022-09-04 22:40:58 C 02 09 52.26 +27 47 29.1 X L01
2022-09-04 22:47:40 C 02 09 54.43 +27 47 32.8 X L01
2022-09-04 23:02:00 C 02 09 58.99 +27 47 41.5 X L01
2022-09-05 13:29:32 C 02 14 39.738 +27 55 18.51 V 568
2022-09-05 13:32:01 C 02 14 40.457 +27 55 19.64 V 568
2022-10-01 08:29:32 C 04 02 27.84 +25 50 57.8 u H21
2022-10-01 08:40:49 C 04 02 28.43 +25 50 53.6 u H21
2022-10-01 08:52:49 C 04 02 29.02 +25 50 48.5 u H21