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
2020-05-17 04:27:28 C 09 46 30.61 +05 43 25.8 V 703
2020-05-17 04:35:47 C 09 46 31.11 +05 43 21.6 V 703
2020-05-17 04:44:05 C 09 46 31.63 +05 43 17.5 V 703
2020-05-17 04:52:25 C 09 46 32.05 +05 43 14.3 V 703
2020-05-21 04:31:56 C 09 52 35.95 +04 54 30.6 V 703
2020-05-21 04:56:41 C 09 52 37.28 +04 54 20.5 V 703
2020-05-22 04:02:57 C 09 54 05.52 +04 42 40.7 V G96
2020-05-22 04:10:26 C 09 54 05.99 +04 42 36.8 V G96
2020-05-22 04:17:55 C 09 54 06.46 +04 42 33.0 V G96
2023-07-28 14:04:38 C 04 28 28.898 +33 37 50.41 V T05
2023-07-28 14:09:14 C 04 28 29.762 +33 37 55.24 V T05
2023-07-28 14:13:54 C 04 28 30.562 +33 37 57.54 V T05
2023-07-28 14:38:54 C 04 28 35.110 +33 38 14.39 V T05
2023-09-09 14:37:05 C 07 54 28.730 +35 33 58.68 V T05
2023-09-09 14:42:57 C 07 54 29.846 +35 33 55.58 V T05
2023-09-09 15:00:22 C 07 54 33.218 +35 33 47.41 V T05
2023-09-09 15:04:57 C 07 54 34.070 +35 33 44.64 V T05
2023-09-13 14:41:25 C 08 12 48.490 +34 42 08.68 V T05
2023-09-13 14:42:43 C 08 12 48.718 +34 42 07.56 V T05
2023-09-13 14:48:51 C 08 12 49.834 +34 42 04.14 V T05
2023-09-13 14:50:09 C 08 12 50.136 +34 42 03.92 V T05
2023-09-13 15:12:42 C 08 12 54.406 +34 41 51.11 V T05
2023-09-13 15:13:22 C 08 12 54.461 +34 41 51.11 V T05
2023-09-16 11:32:54 C 08 25 34.475 +33 59 33.65 V 703
2023-09-16 11:40:13 C 08 25 35.713 +33 59 28.79 V 703
2023-09-16 11:47:36 C 08 25 37.117 +33 59 23.78 V 703
2023-09-16 11:54:55 C 08 25 38.395 +33 59 19.64 V 703
2023-09-30 14:42:04 C 09 23 22.882 +29 36 43.78 V T05
2023-09-30 14:49:31 C 09 23 23.978 +29 36 37.66 V T05
2023-09-30 14:55:24 C 09 23 24.960 +29 36 32.33 V T05
2023-09-30 15:06:03 C 09 23 26.626 +29 36 22.86 V T05
2023-09-30 15:21:02 C 09 23 28.930 +29 36 10.51 V T05
2023-10-01 04:15:33 C 09 25 30.60 +29 24 43.6 X C95
2023-10-01 04:28:15 C 09 25 32.57 +29 24 33.9 X C95
2023-10-01 04:39:57 C 09 25 34.44 +29 24 23.7 X C95
2023-10-08 14:46:47 C 09 52 17.746 +26 39 50.87 V T05
2023-10-08 15:11:38 C 09 52 21.286 +26 39 27.43 V T05
2023-10-08 15:16:14 C 09 52 21.965 +26 39 22.43 V T05
2023-10-08 15:20:54 C 09 52 22.637 +26 39 18.29 V T05
2023-11-03 14:21:24 C 11 09 14.743 +16 14 07.80 V T05
2023-11-03 14:25:58 C 11 09 15.247 +16 14 03.80 V T05
2023-11-03 14:32:54 C 11 09 15.948 +16 13 56.89 V T05
2023-11-03 14:47:51 C 11 09 17.520 +16 13 41.92 V T05
2023-11-21 15:10:52 C 11 50 22.681 +09 06 44.31 X F51
2023-11-21 15:18:27 C 11 50 23.313 +09 06 37.06 X F51
2023-11-21 15:23:58 C 11 50 23.778 +09 06 31.73 X F51
2023-11-21 15:29:32 C 11 50 24.245 +09 06 26.47 X F51
2023-11-25 15:17:20 C 11 58 21.652 +07 35 46.73 X F52
2023-11-25 15:23:00 C 11 58 22.111 +07 35 41.33 X F52
2023-11-25 15:28:39 C 11 58 22.571 +07 35 35.92 X F52