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
2000-11-24 00:40:40 C 22 18 53.31 +19 55 14.7 i 739
2000-11-28 01:35:13 C 22 23 22.21 +20 50 03.5 17.5 c 704
2000-11-28 01:56:09 C 22 23 23.21 +20 50 15.7 18.2 c 704
2000-11-28 02:18:03 C 22 23 24.29 +20 50 28.5 18.2 c 704
2000-11-28 02:39:33 C 22 23 25.32 +20 50 40.8 18.1 c 704
2000-11-28 03:02:10 C 22 23 26.39 +20 50 53.5 18.4 c 704
2000-12-01 17:05:00 C 22 28 11.25 +21 42 11.9 610
2000-12-01 17:10:00 C 22 28 11.53 +21 42 15.0 610
2000-12-01 17:15:00 C 22 28 11.81 +21 42 18.0 610
2000-12-01 17:19:59 C 22 28 12.09 +21 42 21.0 610
2000-12-01 17:24:59 C 22 28 12.38 +21 42 24.0 610
2000-12-03 00:08:17 C 22 30 04.26 +22 01 23.4 i 739
2000-12-03 00:22:32 C 22 30 04.97 +22 01 30.6 i 739
2000-12-03 00:27:06 C 22 30 05.34 +22 01 33.7 i 739
2000-12-05 01:25:39 C 22 33 14.31 +22 32 25.7 16.9 c 704
2000-12-05 02:08:55 C 22 33 17.05 +22 32 52.9 17.1 c 704
2000-12-05 02:30:33 C 22 33 18.44 +22 33 06.8 16.8 c 704
2000-12-05 02:52:17 C 22 33 19.85 +22 33 21.0 15.9 c 704
2000-12-16 17:15:00 C 22 55 29.63 +25 43 16.2 610
2000-12-16 17:19:01 C 22 55 29.99 +25 43 19.0 610
2000-12-16 17:23:01 C 22 55 30.36 +25 43 21.8 610
2000-12-16 17:27:00 C 22 55 30.72 +25 43 24.5 610
2000-12-16 17:31:00 C 22 55 31.08 +25 43 27.3 610
2000-12-17 01:30:41 C 22 56 15.75 +25 49 17.3 17.6 c 704
2000-12-17 01:52:20 C 22 56 17.67 +25 49 32.9 17.5 c 704
2000-12-17 02:14:00 C 22 56 19.62 +25 49 48.1 17.1 c 704
2000-12-17 02:35:39 C 22 56 21.58 +25 50 03.7 17.4 c 704
2000-12-17 02:57:26 C 22 56 23.54 +25 50 18.8 17.5 c 704
2000-12-19 17:13:13 C 23 02 24.58 +26 35 55.8 610
2000-12-19 17:18:14 C 23 02 25.06 +26 35 59.5 610
2000-12-19 17:23:14 C 23 02 25.53 +26 36 03.2 610
2000-12-19 17:28:14 C 23 02 26.01 +26 36 06.9 610
2000-12-19 17:33:13 C 23 02 26.49 +26 36 10.5 610
2000-12-22 09:54:44 C 23 09 03.13 +27 24 18.9 402
2000-12-22 09:58:21 C 23 09 03.51 +27 24 21.4 402
2000-12-22 10:02:01 C 23 09 03.88 +27 24 24.3 402
2000-12-23 16:50:57 C 23 12 23.02 +27 47 45.2 610
2000-12-23 16:55:56 C 23 12 23.53 +27 47 49.1 610
2000-12-23 17:00:55 C 23 12 24.04 +27 47 53.0 610
2000-12-23 17:05:54 C 23 12 24.55 +27 47 57.0 610
2000-12-23 17:10:53 C 23 12 25.06 +27 48 00.9 610
2001-01-03 02:46:22 C 23 42 53.90 +31 02 15.3 c 699
2001-01-03 03:09:57 C 23 42 57.00 +31 02 32.9 c 699
2001-01-03 03:30:14 C 23 42 59.69 +31 02 48.3 c 699
2001-01-03 03:50:30 C 23 43 02.41 +31 03 04.1 c 699
2001-01-12 17:24:04 C 00 17 10.55 +34 01 15.2 118
2001-01-12 17:32:23 C 00 17 11.90 +34 01 21.4 118
2001-01-13 19:32:25 C 00 21 26.92 +34 20 49.5 628
2001-01-13 19:47:45 C 00 21 29.40 +34 21 01.0 628
2001-01-13 20:03:00 C 00 21 32.04 +34 21 12.7 628