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
2017-08-10 11:26:01 C 01 18 55.369 -17 55 38.74 L F51
2017-08-10 11:29:11 C 01 18 55.676 -17 55 37.08 L F51
2017-08-10 12:13:17 C 01 18 59.998 -17 55 14.47 L F51
2017-08-10 13:03:59 C 01 19 04.939 -17 54 48.12 L F51
2017-08-10 13:41:04 C 01 19 08.541 -17 54 28.70 L F51
2017-08-10 14:18:01 C 01 19 12.123 -17 54 09.30 L F51
2017-08-14 11:31:46 C 01 28 37.230 -17 02 14.00 L F51
2017-08-14 11:54:29 C 01 28 39.423 -17 02 00.98 L F51
2017-08-14 12:17:12 C 01 28 41.609 -17 01 47.92 L F51
2017-08-14 12:48:08 C 01 28 44.582 -17 01 30.06 L F51
2017-08-24 13:48:18 C 01 52 17.982 -14 19 33.94 L F51
2017-08-24 14:07:00 C 01 52 19.654 -14 19 19.64 L F51
2017-08-24 14:25:40 C 01 52 21.323 -14 19 05.25 L F51
2017-08-24 14:44:18 C 01 52 22.988 -14 18 50.93 L F51
2017-08-25 08:53:45 C 01 54 06.34 -14 04 51.3 u H21
2017-08-25 09:03:42 C 01 54 07.23 -14 04 43.4 u H21
2017-08-25 09:14:32 C 01 54 08.19 -14 04 34.9 u H21
2017-08-25 11:57:56 C 01 54 24.160 -14 02 21.23 U 568
2017-08-25 11:59:20 C 01 54 24.286 -14 02 20.12 U 568
2017-08-25 12:00:43 C 01 54 24.408 -14 02 19.07 U 568
2017-08-26 08:05:17 C 01 56 17.09 -13 46 26.7 q W25
2017-08-26 08:30:40 C 01 56 19.37 -13 46 06.1 q W25
2017-08-26 08:42:20 C 01 56 20.47 -13 45 57.2 u H21
2017-08-26 08:51:07 C 01 56 21.26 -13 45 50.3 u H21
2017-08-26 08:59:53 C 01 56 22.04 -13 45 43.2 u H21
2017-08-27 19:23:20 C 01 59 33.77 -13 17 28.4 q D29
2017-08-27 19:46:15 C 01 59 35.74 -13 17 08.6 q D29
2017-08-27 20:09:10 C 01 59 37.80 -13 16 49.9 q D29
2017-08-28 01:02:01 C 02 00 05.36 -13 12 47.7 S 033
2017-08-28 01:05:19 C 02 00 05.64 -13 12 45.2 S 033
2017-08-28 01:08:37 C 02 00 05.93 -13 12 42.3 S 033
2017-08-28 02:57:27 C 02 00 15.54 -13 11 11.6 S 033
2017-08-28 03:00:44 C 02 00 15.85 -13 11 08.6 S 033
2017-08-28 03:04:03 C 02 00 16.16 -13 11 05.4 S 033
2017-08-28 03:07:28 C 02 00 16.45 -13 11 02.4 S 033
2017-08-28 10:39:57 C 02 00 58.26 -13 04 35.6 q I52
2017-08-28 10:45:48 C 02 00 58.77 -13 04 30.9 q I52
2017-08-28 10:50:09 C 02 00 59.14 -13 04 27.0 q I52
2017-08-28 10:51:23 C 02 00 59.20 -13 04 25.9 q I52
2017-08-31 10:15:50 C 02 07 27.81 -12 01 10.5 o 691
2017-08-31 10:33:29 C 02 07 29.29 -12 00 54.4 o 691
2017-08-31 10:51:16 C 02 07 30.78 -12 00 37.8 o 691
2017-09-13 11:07:30 C 02 33 11.74 -06 19 57.6 o 691
2017-09-13 11:17:22 C 02 33 12.41 -06 19 45.1 o 691
2017-09-13 11:27:07 C 02 33 13.07 -06 19 32.6 o 691
2017-09-14 12:20:25 C 02 35 02.980 -05 47 29.91 L F51
2017-09-14 12:52:42 C 02 35 05.102 -05 46 47.98 L F51
2017-09-14 13:08:49 C 02 35 06.172 -05 46 26.86 L F51
2017-09-16 09:14:45 C 02 38 13.11 -04 48 01.7 U H21
2017-09-16 09:20:33 C 02 38 13.50 -04 47 54.2 U H21