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
2019-11-17 05:44:25 s 1 +144483.20 0 +203839.30 9170.0 C57
2019-11-17 06:14:25 S 23 46 42.998 +78 09 55.69 V C57
2019-11-17 06:14:25 s 1 +144073.75 1 +205945.60 1600.0 C57
2019-11-17 06:44:25 S 23 46 34.637 +78 10 22.08 V C57
2019-11-17 06:44:25 s 1 +143653.11 2 +208036.00 8030.0 C57
2019-11-17 07:14:25 S 23 46 25.937 +78 10 50.20 V C57
2019-11-17 07:14:25 s 1 +143221.50 4 +210110.61 9100.0 C57
2019-11-17 07:44:25 S 23 46 17.090 +78 11 15.94 V C57
2019-11-17 07:44:25 s 1 +142779.13 9 +212169.54 5460.0 C57
2019-11-17 08:14:25 S 23 46 08.489 +78 11 42.50 V C57
2019-11-17 08:14:25 s 1 +142326.22 4 +214212.88 7710.0 C57
2019-11-17 08:44:25 S 23 46 00.137 +78 12 09.04 V C57
2019-11-17 08:44:25 s 1 +141862.96 2 +216240.74 6450.0 C57
2019-11-17 09:14:25 S 23 45 51.355 +78 12 34.88 V C57
2019-11-17 09:14:25 s 1 +141389.54 9 +218253.21 2280.0 C57
2019-11-17 09:44:25 S 23 45 42.638 +78 13 02.68 V C57
2019-11-17 09:44:25 s 1 +140906.17 8 +220250.41 5770.0 C57
2019-11-17 10:14:25 S 23 45 34.140 +78 13 28.09 V C57
2019-11-17 10:14:25 s 1 +140413.03 8 +222232.43 7480.0 C57
2019-11-17 10:44:25 S 23 45 25.613 +78 13 55.56 V C57
2019-11-17 10:44:25 s 1 +139910.31 0 +224199.36 7950.0 C57
2019-11-17 11:14:25 S 23 45 17.134 +78 14 20.11 V C57
2019-11-17 11:14:25 s 1 +139398.17 4 +226151.30 7710.0 C57
2019-11-17 11:44:25 S 23 45 08.395 +78 14 47.76 V C57
2019-11-17 11:44:25 s 1 +138876.80 4 +228088.35 7290.0 C57
2019-11-17 12:14:25 S 23 45 00.240 +78 15 12.74 V C57
2019-11-17 12:14:25 s 1 +138346.37 1 +230010.60 7200.0 C57
2019-11-17 12:44:25 S 23 44 51.257 +78 15 38.88 V C57
2019-11-17 12:44:25 s 1 +137807.04 0 +231918.15 7920.0 C57
2019-11-17 13:14:25 S 23 44 43.056 +78 16 05.34 V C57
2019-11-17 13:14:25 s 1 +137258.97 5 +233811.08 9950.0 C57
2019-11-17 13:44:25 S 23 44 34.730 +78 16 30.40 V C57
2019-11-17 13:44:25 s 1 +136702.33 5 +235689.48 3750.0 C57
2019-11-17 14:14:25 S 23 44 25.836 +78 16 58.51 V C57
2019-11-17 14:14:25 s 1 +136137.27 4 +237553.44 9800.0 C57
2019-11-17 14:44:25 S 23 44 17.498 +78 17 21.77 V C57
2019-11-17 14:44:25 s 1 +135563.94 4 +239403.06 8540.0 C57
2019-11-17 15:14:25 S 23 44 09.454 +78 17 49.27 V C57
2019-11-17 15:14:25 s 1 +134982.49 4 +241238.41 410.0 C57
2019-11-17 15:44:25 S 23 44 00.602 +78 18 15.30 V C57
2019-11-17 15:44:25 s 1 +134393.06 9 +243059.59 5860.0 C57
2019-11-17 16:14:25 S 23 43 52.418 +78 18 39.38 V C57
2019-11-17 16:14:25 s 1 +133795.81 0 +244866.67 5290.0 C57
2019-11-17 16:44:25 S 23 43 43.884 +78 19 06.20 V C57
2019-11-17 16:44:25 s 1 +133190.85 5 +246659.75 9140.0 C57
2019-11-17 17:14:25 S 23 43 35.539 +78 19 30.79 V C57
2019-11-17 17:14:25 s 1 +132578.34 2 +248438.89 7790.0 C57
2019-11-17 17:44:25 S 23 43 27.086 +78 19 58.19 V C57
2019-11-17 17:44:25 s 1 +131958.40 3 +250204.19 1650.0 C57
2019-11-17 18:44:25 S 23 43 10.380 +78 20 48.84 V C57