2017 QL18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5277458386 ± 2.35e-06
Semi-major axis (a)2.6749350974 AU ± 1.51e-05
Inclination (i)11.15928728° ± 3.00e-05
Long. of Asc. Node (Ω)30.84746973° ± 1.55e-05
Arg. of Perihelion (ω)346.59309646° ± 3.05e-05
Mean Anomaly (M)309.93858334° ± 5.64e-03
Mean Motion (n)0.2252902529°/day ± 1.91e-06
Perihelion dist (q)1.26324923 AU ± 9.50e-06
Aphelion dist (Q)4.08662096 AU ± 2.39e-05
Orbital Period4.37491756 yr ± 3.71e-05
Physical Parameters
H (abs. magnitude)19.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.272″
Uncertainty1
Orbit TypeAmor
MOID0.267579 AU
Observations Used235
Oppositions1
Arc Total2017-2018
First Observation Used2017-08-10
Last Observation Used2018-01-18
Observations (242)
Date Type RA Dec Mag Band Observatory
2017-10-13 09:36:52 C 03 05 55.73 +13 23 40.9 U 703
2017-10-13 09:43:56 C 03 05 55.78 +13 23 54.9 U 703
2017-10-14 09:32:35 C 03 06 12.54 +14 08 28.1 q H45
2017-10-14 09:35:02 C 03 06 12.56 +14 08 32.7 q H45
2017-10-14 09:38:10 C 03 06 12.56 +14 08 38.5 q H45
2017-10-14 09:40:16 C 03 06 12.56 +14 08 42.2 q H45
2017-10-16 07:46:33 C 03 06 38.06 +15 34 45.5 U 703
2017-10-16 07:54:11 C 03 06 38.05 +15 34 59.9 U 703
2017-10-16 08:01:44 C 03 06 38.07 +15 35 13.7 U 703
2017-10-16 08:09:18 C 03 06 38.03 +15 35 28.2 U 703
2017-10-16 23:47:45 C 03 06 43.45 +16 04 21.8 q 246
2017-10-16 23:48:20 C 03 06 43.50 +16 04 22.6 q 246
2017-10-16 23:48:52 C 03 06 43.48 +16 04 23.7 q 246
2017-10-16 23:49:11 C 03 06 43.45 +16 04 24.2 q 246
2017-10-16 23:49:47 C 03 06 43.43 +16 04 25.8 q 246
2017-10-16 23:51:08 C 03 06 43.44 +16 04 27.8 q 246
2017-10-18 01:51:43 C 03 06 49.74 +16 52 38.9 c J04
2017-10-18 02:07:54 C 03 06 49.66 +16 53 08.9 c J04
2017-10-18 02:24:04 C 03 06 49.56 +16 53 38.3 c J04
2017-10-18 02:40:14 C 03 06 49.47 +16 54 08.2 c J04
2017-10-19 01:11:00 C 03 06 51.79 +17 35 15.7 q 160
2017-10-19 01:13:58 C 03 06 51.77 +17 35 20.9 q 160
2017-10-19 01:16:58 C 03 06 51.75 +17 35 26.2 q 160
2017-10-19 10:01:12 C 03 06 51.63 +17 51 27.7 U 703
2017-10-19 10:08:42 C 03 06 51.57 +17 51 41.4 U 703
2017-10-19 10:18:48 C 03 06 51.50 +17 51 58.6 U 703
2017-10-19 10:26:24 C 03 06 51.48 +17 52 13.4 U 703
2017-10-19 11:28:15 C 03 06 52.37 +17 54 12.2 T08
2017-10-19 11:40:02 C 03 06 52.27 +17 54 33.6 T08
2017-10-19 11:48:48 C 03 06 52.19 +17 54 50.4 T08
2017-10-19 12:07:24 C 03 06 51.94 +17 55 23.6 T08
2017-10-21 09:45:27 C 03 06 46.31 +19 17 30.3 U 703
2017-10-21 09:53:21 C 03 06 46.24 +19 17 44.5 U 703
2017-10-21 10:01:16 C 03 06 46.13 +19 17 58.2 U 703
2017-10-21 10:09:09 C 03 06 46.08 +19 18 13.0 U 703
2017-10-21 18:48:53 C 03 06 43.87 +19 33 36.9 q D29
2017-10-21 19:15:36 C 03 06 43.59 +19 34 23.9 q D29
2017-10-21 19:42:20 C 03 06 43.29 +19 35 11.0 q D29
2017-10-24 01:06:29 C 03 06 23.13 +21 08 31.8 q 160
2017-10-24 01:09:20 C 03 06 23.08 +21 08 36.1 q 160
2017-10-24 01:12:09 C 03 06 23.11 +21 08 39.4 q 160
2017-10-24 07:55:03 C 03 06 20.06 +21 20 18.2 U 703
2017-10-24 08:03:05 C 03 06 19.95 +21 20 33.2 U 703
2017-10-24 08:11:05 C 03 06 19.85 +21 20 47.1 U 703
2017-10-24 08:19:08 C 03 06 19.68 +21 21 00.7 U 703
2017-10-25 09:14:52 C 03 06 04.21 +22 03 19.5 q H45
2017-10-25 09:16:30 C 03 06 04.18 +22 03 22.2 q H45
2017-10-25 09:17:50 C 03 06 04.19 +22 03 25.1 q H45
2017-10-25 09:19:17 C 03 06 04.15 +22 03 27.1 q H45
2017-10-25 09:20:52 C 03 06 04.13 +22 03 29.5 q H45