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
2017-10-25 09:22:23 C 03 06 04.11 +22 03 32.1 q H45
2017-10-26 00:35:30 C 03 05 54.85 +22 28 59.3 U 160
2017-10-26 00:38:31 C 03 05 54.79 +22 29 04.7 U 160
2017-10-26 00:41:30 C 03 05 54.73 +22 29 09.2 U 160
2017-10-27 07:17:58 C 03 05 32.65 +23 19 38.2 U 703
2017-10-27 07:25:37 C 03 05 32.50 +23 19 50.8 U 703
2017-10-27 07:33:16 C 03 05 32.35 +23 20 03.4 U 703
2017-10-27 07:47:08 C 03 05 32.05 +23 20 26.0 U G96
2017-10-27 07:49:31 C 03 05 32.01 +23 20 30.0 U 703
2017-10-27 07:59:59 C 03 05 31.78 +23 20 46.9 U G96
2017-10-27 08:10:20 C 03 05 31.57 +23 21 03.7 U G96
2017-10-27 08:18:13 C 03 05 31.41 +23 21 16.5 U G96
2017-10-27 11:05:39 C 03 05 29.24 +23 25 54.3 U T08
2017-10-27 11:20:11 C 03 05 28.94 +23 26 17.9 U T08
2017-10-27 11:22:23 C 03 05 28.88 +23 26 22.1 U T08
2017-10-27 11:44:48 C 03 05 28.41 +23 26 58.2 U T08
2017-10-28 00:50:19 C 03 05 17.55 +23 47 51.1 U 160
2017-10-28 00:52:33 C 03 05 17.50 +23 47 55.2 U 160
2017-10-28 00:55:36 C 03 05 17.42 +23 47 59.9 U 160
2017-10-29 09:15:36 C 03 04 49.725 +24 39 15.49 L F51
2017-10-29 09:31:26 C 03 04 49.352 +24 39 40.47 L F51
2017-10-29 10:03:25 C 03 04 48.594 +24 40 30.66 L F51
2017-10-29 11:23:15 C 03 04 46.70 +24 42 35.0 T05
2017-10-29 11:25:56 C 03 04 46.64 +24 42 39.1 T05
2017-10-29 11:49:05 C 03 04 46.04 +24 43 14.4 T05
2017-10-29 11:57:59 C 03 04 45.82 +24 43 28.5 T05
2017-10-30 06:28:58 C 03 04 28.92 +25 11 52.0 U 703
2017-10-30 06:38:05 C 03 04 28.74 +25 12 04.9 U 703
2017-10-30 06:45:56 C 03 04 28.55 +25 12 17.5 U 703
2017-10-30 06:53:47 C 03 04 28.34 +25 12 29.8 U 703
2017-10-30 09:31:56 C 03 04 24.12 +25 16 27.1 q H45
2017-10-30 09:33:28 C 03 04 24.08 +25 16 29.5 q H45
2017-10-30 09:34:55 C 03 04 24.07 +25 16 31.5 q H45
2017-10-30 09:36:11 C 03 04 24.02 +25 16 33.2 q H45
2017-10-30 09:37:50 C 03 04 24.01 +25 16 35.9 q H45
2017-10-30 09:39:29 C 03 04 23.96 +25 16 38.5 q H45
2017-11-01 00:47:30 C 03 03 44.24 +26 15 00.5 18.7 u J43
2017-11-01 01:01:32 C 03 03 43.89 +26 15 21.3 18.5 u J43
2017-11-01 01:15:40 C 03 03 43.51 +26 15 41.5 18.5 u J43
2017-11-01 01:29:41 C 03 03 43.15 +26 16 02.2 18.5 u J43
2017-11-06 11:02:37 C 03 01 10.08 +29 11 00.5 U T05
2017-11-06 11:03:17 C 03 01 10.11 +29 11 01.3 U T05
2017-11-06 11:19:04 C 03 01 09.61 +29 11 20.4 U T05
2017-11-06 11:43:22 C 03 01 08.98 +29 11 49.8 U T05
2017-11-08 12:16:00 C 03 00 10.42 +30 09 42.7 q D29
2017-11-08 12:36:22 C 03 00 09.93 +30 10 07.0 q D29
2017-11-08 12:56:45 C 03 00 09.42 +30 10 31.4 q D29
2017-11-10 02:17:20 C 02 59 20.84 +30 52 11.6 U 204
2017-11-10 02:24:46 C 02 59 20.66 +30 52 19.3 U 204
2017-11-10 02:32:28 C 02 59 20.48 +30 52 27.5 U 204