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
2019-11-30 00:14:24 s 1 +137053.41 7 +207321.22 3750.0 C57
2019-11-30 00:44:24 S 22 44 20.102 +82 10 21.97 V C57
2019-11-30 00:44:24 s 1 +136641.15 6 +209434.25 7670.0 C57
2019-11-30 01:14:24 S 22 44 12.221 +82 10 38.32 V C57
2019-11-30 01:14:24 s 1 +136218.12 1 +211530.88 6700.0 C57
2019-11-30 01:44:24 S 22 44 03.566 +82 10 55.38 V C57
2019-11-30 01:44:24 s 1 +135784.53 3 +213611.26 1500.0 C57
2019-11-30 02:14:24 S 22 43 55.774 +82 11 12.26 V C57
2019-11-30 02:14:24 s 1 +135340.60 6 +215675.49 2720.0 C57
2019-11-30 02:44:24 S 22 43 47.347 +82 11 29.15 V C57
2019-11-30 02:44:24 s 1 +134886.55 0 +217723.72 980.0 C57
2019-11-30 03:14:24 S 22 43 39.264 +82 11 45.10 V C57
2019-11-30 03:14:24 s 1 +134422.56 8 +219756.04 6890.0 C57
2019-11-30 03:44:24 S 22 43 31.565 +82 12 01.94 V C57
2019-11-30 03:44:24 s 1 +133948.85 7 +221772.59 1040.0 C57
2019-11-30 04:14:24 S 22 43 23.256 +82 12 17.93 V C57
2019-11-30 04:14:24 s 1 +133465.61 1 +223773.49 4010.0 C57
2019-11-30 04:44:24 S 22 43 15.266 +82 12 34.85 V C57
2019-11-30 04:44:24 s 1 +132973.01 8 +225758.84 6370.0 C57
2019-11-30 05:14:24 S 22 43 07.606 +82 12 51.70 V C57
2019-11-30 05:14:24 s 1 +132471.26 1 +227728.76 8660.0 C57
2019-11-30 05:44:24 S 22 42 59.172 +82 13 08.36 V C57
2019-11-30 05:44:24 s 1 +131960.51 8 +229683.36 1430.0 C57
2019-11-30 06:14:24 S 22 42 51.492 +82 13 25.07 V C57
2019-11-30 06:14:24 s 1 +131440.96 4 +231622.76 5190.0 C57
2019-11-30 06:44:24 S 22 42 43.735 +82 13 42.35 V C57
2019-11-30 06:44:24 s 1 +130912.76 7 +233547.06 470.0 C57
2019-11-30 07:14:24 S 22 42 35.683 +82 13 58.94 V C57
2019-11-30 07:14:24 s 1 +130376.09 3 +235456.37 7740.0 C57
2019-11-30 07:44:24 S 22 42 28.514 +82 14 14.42 V C57
2019-11-30 07:44:24 s 1 +129831.10 5 +237350.79 7520.0 C57
2019-11-30 08:14:24 S 22 42 20.870 +82 14 30.77 V C57
2019-11-30 08:14:24 s 1 +129277.95 8 +239230.43 260.0 C57
2019-11-30 08:44:24 S 22 42 12.358 +82 14 48.52 V C57
2019-11-30 08:44:24 s 1 +128716.80 7 +241095.40 6430.0 C57
2019-11-30 09:14:24 S 22 42 04.846 +82 15 03.49 V C57
2019-11-30 09:14:24 s 1 +128147.80 3 +242945.79 6490.0 C57
2019-11-30 09:44:24 S 22 41 57.048 +82 15 19.98 V C57
2019-11-30 09:44:24 s 1 +127571.09 0 +244781.70 870.0 C57
2019-11-30 10:14:24 S 22 41 49.970 +82 15 37.26 V C57
2019-11-30 10:14:24 s 1 +126986.81 4 +246603.23 20.0 C57
2019-11-30 10:44:24 S 22 41 42.173 +82 15 53.86 V C57
2019-11-30 10:44:24 s 1 +126395.11 2 +248410.47 4360.0 C57
2019-11-30 12:44:24 S 22 41 10.831 +82 16 56.89 V C57
2019-11-30 12:44:24 s 1 +123956.74 4 +255498.51 1690.0 C57
2019-11-30 13:14:24 S 22 41 05.549 +82 17 11.80 V C57
2019-11-30 13:14:24 s 1 +123329.90 6 +257235.74 7980.0 C57
2019-11-30 13:44:24 S 22 40 57.473 +82 17 32.21 V C57
2019-11-30 13:44:24 s 1 +122696.41 8 +258959.24 1800.0 C57
2019-11-30 14:14:24 S 22 40 49.860 +82 17 48.37 V C57