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
2000-09-26 13:27:45 C 22 59 05.68 +09 39 41.9 360
2000-09-26 13:31:15 C 22 59 05.37 +09 39 43.5 360
2000-09-26 13:34:59 C 22 59 05.05 +09 39 45.3 360
2000-09-27 02:51:56 C 22 58 00.19 +09 45 54.6 i 739
2000-09-27 02:59:55 C 22 57 59.57 +09 45 58.8 i 739
2000-09-27 03:07:11 C 22 57 58.94 +09 46 01.7 i 739
2000-09-27 04:29:15 C 22 57 52.17 +09 46 40.6 16.5 c 704
2000-09-27 04:50:56 C 22 57 50.31 +09 46 50.9 17.0 c 704
2000-09-27 05:12:37 C 22 57 48.48 +09 47 00.8 17.1 c 704
2000-09-27 05:34:19 C 22 57 46.63 +09 47 10.8 16.9 c 704
2000-09-27 05:55:59 C 22 57 44.78 +09 47 20.9 16.8 c 704
2000-09-28 04:30:52 C 22 55 54.64 +09 57 46.0 16.7 c 704
2000-09-28 04:52:41 C 22 55 52.81 +09 57 55.9 16.7 c 704
2000-09-28 05:14:30 C 22 55 50.95 +09 58 06.3 16.6 c 704
2000-09-28 05:36:19 C 22 55 49.10 +09 58 16.5 17.0 c 704
2000-09-28 05:58:08 C 22 55 47.27 +09 58 26.3 16.7 c 704
2000-10-03 04:22:10 C 22 46 20.68 +10 51 39.2 17.2 c 704
2000-10-03 04:44:07 C 22 46 18.91 +10 51 49.1 16.6 c 704
2000-10-03 05:05:16 C 22 46 17.24 +10 51 58.4 16.9 c 704
2000-10-03 05:26:24 C 22 46 15.49 +10 52 08.1 16.7 c 704
2000-10-03 05:47:52 C 22 46 13.74 +10 52 17.2 16.4 c 704
2000-10-04 04:34:10 C 22 44 28.49 +11 02 14.9 16.6 c 704
2000-10-04 04:56:42 C 22 44 26.67 +11 02 24.7 17.1 c 704
2000-10-04 05:18:20 C 22 44 24.94 +11 02 33.9 17.0 c 704
2000-10-04 05:40:24 C 22 44 23.19 +11 02 43.3 16.8 c 704
2000-10-04 06:02:26 C 22 44 21.41 +11 02 52.5 16.9 c 704
2000-10-05 20:12:00 C 22 41 28.63 +11 19 21.1 118
2000-10-05 20:24:08 C 22 41 27.69 +11 19 26.2 118
2000-10-07 06:01:14 C 22 38 59.00 +11 33 50.3 16.5 c 704
2000-10-07 06:50:06 C 22 38 55.31 +11 34 10.4 17.3 c 704
2000-10-07 07:14:10 C 22 38 53.47 +11 34 20.9 17.3 c 704
2000-10-07 07:36:15 C 22 38 51.83 +11 34 29.7 17.8 c 704
2000-10-09 00:39:12 C 22 35 57.68 +11 51 46.5 i 739
2000-10-09 00:41:18 C 22 35 57.49 +11 51 47.6 i 739
2000-10-09 00:45:07 C 22 35 57.24 +11 51 48.8 i 739
2000-10-09 03:29:28 C 22 35 45.36 +11 52 57.0 i 726
2000-10-09 03:34:29 C 22 35 44.98 +11 52 59.1 i 726
2000-10-15 02:51:50 C 22 26 34.89 +12 51 36.5 642
2000-10-15 02:55:45 C 22 26 34.61 +12 51 42.0 642
2000-10-15 03:02:04 C 22 26 34.10 +12 51 44.7 642
2000-10-15 03:05:55 C 22 26 33.91 +12 51 46.3 642
2000-10-15 03:09:45 C 22 26 33.69 +12 51 46.7 642
2000-10-16 19:56:52 C 22 24 15.99 +13 08 09.2 c 113
2000-10-16 19:59:51 C 22 24 15.80 +13 08 10.3 c 113
2000-10-16 20:02:51 C 22 24 15.66 +13 08 11.2 c 113
2000-10-16 20:05:52 C 22 24 15.49 +13 08 12.8 c 113
2000-10-16 20:08:51 C 22 24 15.31 +13 08 13.8 c 113
2000-10-18 01:55:20 C 22 22 41.06 +13 20 05.6 i 726
2000-10-18 02:11:28 C 22 22 40.34 +13 20 11.3 i 726
2000-10-18 17:56:30 C 22 21 52.62 +13 26 28.3 610