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
2000-09-04 21:17:30 C 23 37 50.79 +05 24 15.0 c 046
2000-09-04 21:19:04 C 23 37 50.70 +05 24 15.9 587
2000-09-04 21:19:21 C 23 37 50.67 +05 24 16.0 c 046
2000-09-04 21:20:50 C 23 37 50.61 +05 24 16.7 c 046
2000-09-04 21:22:13 C 23 37 50.52 +05 24 17.4 c 046
2000-09-05 07:26:28 C 23 37 13.86 +05 29 19.9 c 670
2000-09-05 08:03:10 C 23 37 11.55 +05 29 36.1 c 658
2000-09-05 08:07:35 C 23 37 11.27 +05 29 38.4 c 658
2000-09-05 08:13:22 C 23 37 10.87 +05 29 41.2 c 658
2000-09-05 08:51:11 C 23 37 08.27 +05 30 03.0 c 699
2000-09-05 10:23:11 C 23 37 02.63 +05 30 48.1 c 670
2000-09-05 11:15:40 C 23 37 00.03 +05 31 26.9 c 467
2000-09-05 11:20:04 C 23 36 59.68 +05 31 28.5 c 467
2000-09-05 11:25:34 C 23 36 59.31 +05 31 31.3 c 467
2000-09-05 14:13:25 C 23 36 49.07 +05 32 43.5 900
2000-09-05 14:31:38 C 23 36 47.89 +05 32 52.8 900
2000-09-10 20:05:36 C 23 28 32.71 +06 35 32.4 16.8 c 106
2000-09-10 20:30:00 C 23 28 30.98 +06 35 44.5 16.6 c 106
2000-09-10 20:54:17 C 23 28 29.23 +06 35 57.0 16.7 c 106
2000-09-10 22:18:40 C 23 28 23.11 +06 36 38.5 118
2000-09-10 22:38:05 C 23 28 21.69 +06 36 48.1 118
2000-09-18 18:47:51 C 23 14 14.59 +08 10 12.7 d 557
2000-09-18 19:28:45 C 23 14 11.29 +08 10 32.8 d 557
2000-09-18 20:00:16 C 23 14 08.74 +08 10 48.3 d 557
2000-09-18 20:40:31 C 23 14 05.46 +08 11 08.1 d 557
2000-09-21 20:44:57 C 23 08 18.37 +08 46 12.3 151
2000-09-21 20:49:20 C 23 08 18.07 +08 46 13.8 151
2000-09-21 20:51:00 C 23 08 17.94 +08 46 14.7 151
2000-09-21 20:52:48 C 23 08 17.70 +08 46 15.6 151
2000-09-21 20:54:55 C 23 08 17.53 +08 46 16.9 151
2000-09-21 21:53:29 C 23 08 12.50 +08 46 46.0 071
2000-09-21 21:57:29 C 23 08 12.15 +08 46 48.2 071
2000-09-21 22:01:29 C 23 08 11.82 +08 46 50.3 071
2000-09-23 06:02:35 C 23 05 35.50 +09 02 13.4 16.9 c 704
2000-09-23 06:24:02 C 23 05 33.68 +09 02 23.6 16.7 c 704
2000-09-23 06:44:52 C 23 05 31.91 +09 02 33.5 17.2 c 704
2000-09-23 07:05:42 C 23 05 30.18 +09 02 43.1 16.6 c 704
2000-09-23 07:26:27 C 23 05 28.43 +09 02 53.4 17.0 c 704
2000-09-24 13:58:55 C 23 02 58.81 +09 17 24.6 900
2000-09-24 14:12:25 C 23 02 57.68 +09 17 30.9 900
2000-09-25 04:09:55 C 23 01 49.39 +09 24 07.0 17.3 c 704
2000-09-25 04:31:02 C 23 01 47.70 +09 24 15.8 16.8 c 704
2000-09-25 04:52:09 C 23 01 45.89 +09 24 26.3 16.5 c 704
2000-09-25 05:13:18 C 23 01 44.09 +09 24 36.0 16.6 c 704
2000-09-25 05:34:28 C 23 01 42.28 +09 24 45.7 16.9 c 704
2000-09-26 04:10:19 C 22 59 51.48 +09 35 21.8 16.2 c 704
2000-09-26 04:32:10 C 22 59 49.66 +09 35 32.1 16.6 c 704
2000-09-26 04:54:28 C 22 59 47.73 +09 35 42.4 16.8 c 704
2000-09-26 05:16:47 C 22 59 45.84 +09 35 52.9 16.9 c 704
2000-09-26 05:40:24 C 22 59 43.83 +09 36 04.2 16.6 c 704