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
2019-12-14 05:14:24 S 22 27 55.262 +86 10 37.42 V C57
2019-12-14 05:14:24 s 1 +103426.11 3 +303037.93 3160.0 C57
2019-12-14 05:44:24 S 22 27 57.974 +86 10 56.57 V C57
2019-12-14 05:44:24 s 1 +102628.66 0 +304422.52 1230.0 C57
2019-12-14 06:14:24 S 22 28 02.455 +86 11 16.33 V C57
2019-12-14 06:14:24 s 1 +101827.08 2 +305795.50 6480.0 C57
2019-12-14 06:44:24 S 22 28 05.047 +86 11 34.91 V C57
2019-12-14 06:44:24 s 1 +101021.44 7 +307156.89 9090.0 C57
2019-12-14 07:14:24 S 22 28 08.611 +86 11 54.13 V C57
2019-12-14 07:14:24 s 1 +100211.82 5 +308506.78 9240.0 C57
2019-12-14 07:44:24 S 22 28 13.034 +86 12 13.93 V C57
2019-12-14 07:44:24 s 1 +99398.282 0 +309845.20 7090.0 C57
2019-12-14 08:14:24 S 22 28 15.533 +86 12 33.30 V C57
2019-12-14 08:14:24 s 1 +98580.883 0 +311172.21 2820.0 C57
2019-12-14 09:14:24 S 22 28 23.513 +86 13 12.86 V C57
2019-12-14 09:14:24 s 1 +96934.776 0 +313792.21 8580.0 C57
2019-12-14 09:44:24 S 22 28 26.578 +86 13 31.80 V C57
2019-12-14 09:44:24 s 1 +96106.195 0 +315085.31 8940.0 C57
2019-12-14 10:14:24 S 22 28 32.465 +86 13 51.28 V C57
2019-12-14 10:14:24 s 1 +95274.011 0 +316367.20 7820.0 C57
2019-12-14 10:44:24 S 22 28 34.889 +86 14 10.39 V C57
2019-12-14 10:44:24 s 1 +94438.286 0 +317637.94 5390.0 C57
2019-12-14 11:14:24 S 22 28 39.103 +86 14 29.90 V C57
2019-12-14 11:14:24 s 1 +93599.078 0 +318897.58 1800.0 C57
2019-12-14 11:44:24 S 22 28 44.023 +86 14 49.20 V C57
2019-12-14 11:44:24 s 1 +92756.447 0 +320146.17 7190.0 C57
2019-12-14 12:14:24 S 22 28 47.390 +86 15 09.50 V C57
2019-12-14 12:14:24 s 1 +91910.451 0 +321383.75 1710.0 C57
2019-12-14 12:44:24 S 22 28 53.143 +86 15 29.09 V C57
2019-12-14 12:44:24 s 1 +91061.148 0 +322610.37 5520.0 C57
2019-12-14 13:14:24 S 22 28 56.705 +86 15 48.35 V C57
2019-12-14 13:14:24 s 1 +90208.593 0 +323826.08 8740.0 C57
2019-12-14 13:44:24 S 22 29 00.986 +86 16 07.21 V C57
2019-12-14 13:44:24 s 1 +89352.842 0 +325030.92 1540.0 C57
2019-12-14 14:14:24 S 22 29 06.619 +86 16 26.72 V C57
2019-12-14 14:14:24 s 1 +88493.951 0 +326224.95 4030.0 C57
2019-12-14 14:44:24 S 22 29 10.246 +86 16 46.45 V C57
2019-12-14 14:44:24 s 1 +87631.972 0 +327408.20 6350.0 C57
2019-12-14 15:14:24 S 22 29 16.334 +86 17 06.22 V C57
2019-12-14 15:14:24 s 1 +86766.959 0 +328580.72 8650.0 C57
2019-12-14 15:44:24 S 22 29 19.997 +86 17 26.38 V C57
2019-12-14 15:44:24 s 1 +85898.965 0 +329742.56 1050.0 C57
2019-12-14 16:14:24 S 22 29 25.042 +86 17 45.82 V C57
2019-12-14 16:14:24 s 1 +85028.041 0 +330893.75 3680.0 C57
2019-12-14 16:44:24 S 22 29 30.706 +86 18 05.40 V C57
2019-12-14 16:44:24 s 1 +84154.239 0 +332034.35 6680.0 C57
2019-12-14 17:14:24 S 22 29 35.186 +86 18 24.37 V C57
2019-12-14 17:14:24 s 1 +83277.607 0 +333164.39 150.0 C57
2019-12-14 17:44:24 S 22 29 41.357 +86 18 44.60 V C57
2019-12-14 17:44:24 s 1 +82398.198 0 +334283.91 4240.0 C57