18172 (2000 QL7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5110299298 ± 6.25e-09
Semi-major axis (a)2.4257654377 AU ± 9.50e-10
Inclination (i)17.82779980° ± 1.30e-06
Long. of Asc. Node (Ω)338.42358622° ± 3.04e-06
Arg. of Perihelion (ω)100.76252583° ± 4.20e-06
Mean Anomaly (M)206.68326087° ± 8.97e-07
Mean Motion (n)0.2608789695°/day ± 1.53e-10
Perihelion dist (q)1.18612670 AU ± 1.52e-08
Aphelion dist (Q)3.66540418 AU ± 1.52e-08
Orbital Period3.77809789 yr ± 2.22e-09
Physical Parameters
H (abs. magnitude)15.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.341″
Uncertainty0
Orbit TypeAmor
MOID0.365243 AU
Observations Used4239
Gaia Obs Used36
Oppositions29
Arc Total1977-2024
First Observation Used1977-07-21
Last Observation Used2024-05-09
Observations (6767)
Date Type RA Dec Mag Band Observatory
2015-11-23 01:43:10 C 21 34 02.85 -05 19 19.0 R G45
2015-11-23 01:50:09 C 21 34 03.20 -05 19 14.9 R G45
2015-11-23 01:50:15 C 21 34 03.22 -05 19 15.4 R G45
2015-12-06 03:01:28 C 21 52 37.50 -02 12 38.7 q 703
2015-12-06 03:08:41 C 21 52 37.95 -02 12 33.3 q 703
2015-12-06 03:15:54 C 21 52 38.44 -02 12 29.2 q 703
2015-12-06 03:23:07 C 21 52 38.92 -02 12 24.7 q 703
2015-12-19 01:45:21 C 22 15 20.24 +01 16 48.8 q 703
2015-12-19 01:50:23 C 22 15 20.54 +01 16 51.8 q 703
2015-12-19 01:55:26 C 22 15 20.91 +01 16 55.0 q 703
2015-12-19 02:00:29 C 22 15 21.35 +01 16 58.4 q 703
2016-01-17 18:10:14 C 23 22 26.47 +10 49 09.4 q 160
2016-01-17 18:13:12 C 23 22 26.80 +10 49 11.9 q 160
2016-01-17 18:16:09 C 23 22 27.08 +10 49 14.4 q 160
2016-01-23 18:10:39 C 23 38 41.36 +12 57 58.5 t 160
2016-01-23 18:13:25 C 23 38 41.67 +12 58 01.2 t 160
2016-01-23 18:16:12 C 23 38 41.98 +12 58 03.0 t 160
2016-02-04 17:58:29 C 00 14 14.12 +17 21 58.8 q 160
2016-02-04 18:01:12 C 00 14 14.49 +17 22 02.3 q 160
2016-02-04 18:03:55 C 00 14 14.86 +17 22 05.4 q 160
2016-02-05 18:05:45 C 00 17 24.89 +17 44 15.5 q 160
2016-02-05 18:08:29 C 00 17 25.26 +17 44 18.3 q 160
2016-02-05 18:11:14 C 00 17 25.63 +17 44 20.5 q 160
2016-02-11 01:34:16 C 00 34 45.95 +19 41 29.2 q H45
2016-02-11 01:35:47 C 00 34 46.22 +19 41 30.2 q H45
2016-02-11 01:37:43 C 00 34 46.47 +19 41 31.6 q H45
2016-02-11 01:38:55 C 00 34 46.64 +19 41 32.7 q H45
2016-02-11 01:40:16 C 00 34 46.80 +19 41 33.8 q H45
2016-02-11 01:41:41 C 00 34 46.99 +19 41 35.7 q H45
2016-02-11 17:48:20 C 00 37 02.79 +19 56 17.8 q 160
2016-02-11 17:51:19 C 00 37 03.14 +19 56 19.1 q 160
2016-02-11 17:54:16 C 00 37 03.54 +19 56 23.8 q 160
2016-02-26 17:59:43 C 01 31 39.22 +25 10 34.9 o C41
2016-02-26 18:05:56 C 01 31 40.23 +25 10 40.2 o C41
2016-02-26 18:12:16 C 01 31 41.25 +25 10 44.3 o C41
2016-03-03 05:39:29 C 01 53 36.24 +26 53 34.3 L T05
2016-03-03 05:52:07 C 01 53 38.21 +26 53 42.8 L T05
2016-03-03 05:58:27 C 01 53 39.42 +26 53 47.8 L T05
2016-03-03 06:15:21 C 01 53 42.35 +26 53 57.6 L T05
2016-04-22 02:56:15 C 05 40 16.43 +31 37 57.5 t 705
2016-04-22 02:57:42 C 05 40 16.67 +31 37 57.2 t 705
2016-04-22 02:59:09 C 05 40 16.96 +31 37 56.9 t 705
2017-05-25 08:20:25 C 14 28 36.880 -40 17 02.78 L F51
2017-05-25 08:31:37 C 14 28 36.370 -40 16 59.56 L F51
2017-05-25 08:42:50 C 14 28 35.888 -40 16 56.79 L F51
2017-05-25 08:54:06 C 14 28 35.389 -40 16 53.72 L F51
2019-07-04 10:12:20 C 00 32 09.80 +03 16 26.1 V 703
2019-07-04 10:19:50 C 00 32 10.23 +03 16 30.4 V 703
2019-07-04 10:34:47 C 00 32 10.95 +03 16 40.2 V 703
2019-07-06 09:46:59 C 00 34 45.64 +03 49 05.3 U I41