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
2019-11-18 09:14:25 s 1 +109670.44 3 +298456.97 5320.0 C57
2019-11-18 09:44:25 S 23 39 06.199 +78 33 12.38 V C57
2019-11-18 09:44:25 s 1 +108869.28 1 +299816.18 4120.0 C57
2019-11-18 10:14:25 S 23 38 58.181 +78 33 37.87 V C57
2019-11-18 10:14:25 s 1 +108063.88 1 +301163.70 7640.0 C57
2019-11-18 10:44:25 S 23 38 50.038 +78 34 01.92 V C57
2019-11-18 10:44:25 s 1 +107254.31 3 +302499.57 6070.0 C57
2019-11-18 11:14:25 S 23 38 42.672 +78 34 25.07 V C57
2019-11-18 11:14:25 s 1 +106440.64 5 +303823.85 9630.0 C57
2019-11-18 11:44:25 S 23 38 34.536 +78 34 49.69 V C57
2019-11-18 11:44:25 s 1 +105622.94 6 +305136.59 8510.0 C57
2019-11-18 12:14:25 S 23 38 26.534 +78 35 13.96 V C57
2019-11-18 12:14:25 s 1 +104801.28 2 +306437.83 2920.0 C57
2019-11-18 12:44:25 S 23 38 18.540 +78 35 38.62 V C57
2019-11-18 12:44:25 s 1 +103975.72 0 +307727.63 3050.0 C57
2019-11-18 13:14:25 S 23 38 10.865 +78 36 01.30 V C57
2019-11-18 13:14:25 s 1 +103145.46 4 +309008.26 1420.0 C57
2019-11-18 13:44:25 S 23 38 02.885 +78 36 26.68 V C57
2019-11-18 13:44:25 s 1 +102312.30 4 +310275.33 3590.0 C57
2019-11-18 14:14:25 S 23 37 55.138 +78 36 49.14 V C57
2019-11-18 14:14:25 s 1 +101475.43 7 +311531.09 2060.0 C57
2019-11-18 14:44:25 S 23 37 47.182 +78 37 14.84 V C57
2019-11-18 14:44:25 s 1 +100634.92 4 +312775.61 6990.0 C57
2019-11-18 15:14:25 S 23 37 39.430 +78 37 37.45 V C57
2019-11-18 15:14:25 s 1 +99790.827 0 +314008.91 8570.0 C57
2019-11-18 15:44:25 S 23 37 31.553 +78 38 02.33 V C57
2019-11-18 15:44:25 s 1 +98943.205 0 +315231.06 6990.0 C57
2019-11-18 16:14:25 S 23 37 23.789 +78 38 25.55 V C57
2019-11-18 16:14:25 s 1 +98092.118 0 +316442.09 2410.0 C57
2019-11-18 16:44:25 S 23 37 16.061 +78 38 49.52 V C57
2019-11-18 16:44:25 s 1 +97237.623 0 +317642.04 5000.0 C57
2019-11-18 17:14:25 S 23 37 08.208 +78 39 13.32 V C57
2019-11-18 17:14:25 s 1 +96379.779 0 +318830.97 4940.0 C57
2019-11-18 17:44:25 S 23 37 00.425 +78 39 37.08 V C57
2019-11-18 17:44:25 s 1 +95518.641 0 +320008.91 2400.0 C57
2019-11-18 18:14:25 S 23 36 52.870 +78 40 00.30 V C57
2019-11-18 18:14:25 s 1 +94654.266 0 +321175.91 7530.0 C57
2019-11-18 18:44:25 S 23 36 44.796 +78 40 24.60 V C57
2019-11-18 18:44:25 s 1 +93786.708 0 +322332.00 510.0 C57
2019-11-18 19:14:25 S 23 36 37.318 +78 40 48.22 V C57
2019-11-18 19:14:25 s 1 +92916.021 0 +323477.24 1480.0 C57
2019-11-18 19:44:25 S 23 36 29.398 +78 41 11.65 V C57
2019-11-18 19:44:25 s 1 +92042.260 0 +324611.66 620.0 C57
2019-11-18 20:14:25 S 23 36 21.686 +78 41 35.88 V C57
2019-11-18 20:14:25 s 1 +91165.476 0 +325735.30 8070.0 C57
2019-11-18 20:44:25 S 23 36 14.184 +78 41 57.62 V C57
2019-11-18 20:44:25 s 1 +90285.721 0 +326848.21 4000.0 C57
2019-11-18 21:14:25 S 23 36 06.346 +78 42 22.97 V C57
2019-11-18 21:14:25 s 1 +89403.047 0 +327950.41 8540.0 C57
2019-11-18 21:44:25 S 23 35 58.656 +78 42 45.11 V C57