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
2017-09-16 09:26:22 C 02 38 13.89 -04 47 46.4 U H21
2017-09-17 09:50:10 C 02 39 53.80 -04 14 22.5 u H21
2017-09-17 09:53:36 C 02 39 54.01 -04 14 17.6 u H21
2017-09-17 09:57:36 C 02 39 54.28 -04 14 12.3 u H21
2017-09-20 09:07:00 C 02 44 32.34 -02 32 41.4 q 703
2017-09-20 09:14:39 C 02 44 32.67 -02 32 30.7 q 703
2017-09-20 09:22:18 C 02 44 33.14 -02 32 18.4 q 703
2017-09-22 11:30:15 C 02 47 35.008 -01 17 04.96 L F51
2017-09-22 11:44:32 C 02 47 35.78 -01 16 43.3 L T05
2017-09-22 11:48:04 C 02 47 35.930 -01 16 37.77 L F51
2017-09-22 11:54:39 C 02 47 36.28 -01 16 28.2 L T05
2017-09-22 12:05:32 C 02 47 36.85 -01 16 11.4 L T05
2017-09-22 12:05:59 C 02 47 36.850 -01 16 10.33 L F51
2017-09-22 12:15:31 C 02 47 37.35 -01 15 55.4 L T05
2017-09-22 12:23:55 C 02 47 37.769 -01 15 42.98 L F51
2017-09-25 08:28:13 C 02 51 25.11 +00 30 57.5 q 703
2017-09-25 08:36:02 C 02 51 25.41 +00 31 10.1 q 703
2017-09-25 08:43:50 C 02 51 25.86 +00 31 23.1 q 703
2017-09-25 08:51:38 C 02 51 26.12 +00 31 36.0 q 703
2017-09-26 11:24:58 C 02 52 48.65 +01 14 42.3 L T05
2017-09-26 11:35:13 C 02 52 49.16 +01 15 00.9 L T05
2017-09-26 11:44:31 C 02 52 49.55 +01 15 16.4 L T05
2017-09-26 11:54:22 C 02 52 49.99 +01 15 32.2 L T05
2017-09-26 12:04:51 C 02 52 50.443 +01 15 49.81 L F51
2017-09-26 12:24:20 C 02 52 51.284 +01 16 21.71 L F51
2017-09-26 12:43:56 C 02 52 52.129 +01 16 53.80 L F51
2017-09-26 13:03:47 C 02 52 52.980 +01 17 26.26 L F51
2017-09-28 12:42:38 C 02 55 11.483 +02 36 39.61 L F51
2017-09-28 12:59:58 C 02 55 12.158 +02 37 08.85 L F51
2017-09-28 13:17:17 C 02 55 12.825 +02 37 38.06 L F51
2017-09-30 12:01:37 C 02 57 17.520 +03 57 33.81 L F51
2017-09-30 12:19:04 C 02 57 18.124 +03 58 04.03 L F51
2017-09-30 12:36:32 C 02 57 18.727 +03 58 34.35 L F51
2017-09-30 12:57:31 C 02 57 19.449 +03 59 10.65 L F51
2017-09-30 13:28:27 C 02 57 20.514 +04 00 04.20 L F51
2017-09-30 13:43:54 C 02 57 21.048 +04 00 30.94 L F51
2017-10-02 08:21:20 C 02 59 04.77 +05 15 06.2 q 703
2017-10-02 08:28:47 C 02 59 04.98 +05 15 19.4 q 703
2017-10-02 08:36:13 C 02 59 05.25 +05 15 32.4 q 703
2017-10-02 08:43:39 C 02 59 05.46 +05 15 45.4 q 703
2017-10-02 11:08:41 C 02 59 11.36 +05 20 07.8 L T08
2017-10-02 11:19:07 C 02 59 11.61 +05 20 27.1 L T08
2017-10-02 11:29:41 C 02 59 11.95 +05 20 45.3 L T08
2017-10-02 11:40:13 C 02 59 12.29 +05 21 04.5 L T08
2017-10-11 07:31:19 C 03 05 09.75 +11 49 45.0 U 703
2017-10-11 07:37:50 C 03 05 09.85 +11 49 57.5 U 703
2017-10-11 07:44:22 C 03 05 09.86 +11 50 09.1 U 703
2017-10-11 07:50:49 C 03 05 09.99 +11 50 22.2 U 703
2017-10-13 09:22:48 C 03 05 55.61 +13 23 14.2 U 703
2017-10-13 09:29:51 C 03 05 55.68 +13 23 27.6 U 703