IAA RAS IAA Minor Planet Database

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
2020-01-15 21:44:23 s 1 -156950.58 9 +361682.04 600.0 – C57
2020-01-15 22:08:18 C 07 21 29.91 +72 50 03.7 – V Z80
2020-01-15 22:14:23 S 07 21 09.905 +73 13 13.94 – V C57
2020-01-15 22:14:23 s 1 -157712.17 1 +360837.41 4520.0 – C57
2020-01-15 22:44:23 S 07 21 10.114 +73 12 04.64 – V C57
2020-01-15 22:44:23 s 1 -158470.38 3 +359985.17 5700.0 – C57
2020-01-15 22:51:39 C 07 21 30.95 +72 48 25.9 – V Z80
2020-01-15 23:44:23 S 07 21 10.800 +73 09 45.00 – V C57
2020-01-15 23:44:23 s 1 -159976.57 9 +358257.83 9680.0 – C57
2020-01-16 00:14:23 S 07 21 12.209 +73 08 39.23 – V C57
2020-01-16 00:14:23 s 1 -160724.50 7 +357382.71 2400.0 – C57
2020-01-16 00:44:23 S 07 21 11.568 +73 07 20.78 – V C57
2020-01-16 00:44:23 s 1 -161468.94 9 +356499.95 2210.0 – C57
2020-01-16 01:14:23 S 07 21 11.702 +73 06 13.32 – V C57
2020-01-16 01:14:23 s 1 -162209.87 6 +355609.53 9070.0 – C57
2020-01-16 01:44:23 S 07 21 12.350 +73 05 03.59 – V C57
2020-01-16 01:44:23 s 1 -162947.25 8 +354711.45 2930.0 – C57
2020-01-16 02:14:23 S 07 21 12.494 +73 03 54.18 – V C57
2020-01-16 02:14:23 s 1 -163681.06 6 +353805.70 3760.0 – C57
2020-01-16 02:44:23 S 07 21 12.852 +73 02 42.54 – V C57
2020-01-16 02:44:23 s 1 -164411.26 8 +352892.26 1510.0 – C57
2020-01-16 03:14:23 S 07 21 13.188 +73 01 32.34 – V C57
2020-01-16 03:14:23 s 1 -165137.83 6 +351971.13 6130.0 – C57
2020-01-16 03:44:23 S 07 21 13.498 +73 00 22.14 – V C57
2020-01-16 03:44:23 s 1 -165860.73 8 +351042.29 7590.0 – C57
2020-01-16 04:14:23 S 07 21 13.951 +72 59 10.97 – V C57
2020-01-16 04:14:23 s 1 -166579.94 2 +350105.74 5820.0 – C57
2020-01-16 04:44:23 S 07 21 14.100 +72 58 02.03 – V C57
2020-01-16 04:44:23 s 1 -167295.41 9 +349161.47 800.0 – C57
2020-01-16 05:14:23 S 07 21 14.597 +72 56 48.95 – V C57
2020-01-16 05:14:23 s 1 -168007.13 6 +348209.45 2470.0 – C57
2020-01-16 05:44:23 S 07 21 14.870 +72 55 39.50 – V C57
2020-01-16 05:44:23 s 1 -168715.06 1 +347249.69 790.0 – C57
2020-01-16 06:14:23 S 07 21 15.394 +72 54 28.44 – V C57
2020-01-16 06:14:23 s 1 -169419.16 3 +346282.18 5710.0 – C57
2020-01-16 06:44:23 S 07 21 15.605 +72 53 17.77 – V C57
2020-01-16 06:44:23 s 1 -170119.40 9 +345306.89 7180.0 – C57
2020-01-16 07:14:23 S 07 21 15.974 +72 52 06.74 – V C57
2020-01-16 07:14:23 s 1 -170815.76 6 +344323.82 5150.0 – C57
2020-01-16 07:44:23 S 07 21 16.356 +72 50 55.86 – V C57
2020-01-16 07:44:23 s 1 -171508.20 1 +343332.95 9590.0 – C57
2020-01-16 08:14:23 S 07 21 16.512 +72 49 45.48 – V C57
2020-01-16 08:14:23 s 1 -172196.68 0 +342334.28 430.0 – C57
2020-01-16 08:44:23 S 07 21 17.026 +72 48 33.52 – V C57
2020-01-16 08:44:23 s 1 -172881.17 0 +341327.79 7630.0 – C57
2020-01-16 09:14:23 S 07 21 17.278 +72 47 24.04 – V C57
2020-01-16 09:14:23 s 1 -173561.63 8 +340313.48 1150.0 – C57
2020-01-16 09:44:23 S 07 21 17.779 +72 46 12.29 – V C57
2020-01-16 09:44:23 s 1 -174238.04 7 +339291.32 930.0 – C57
2020-01-16 10:14:23 S 07 21 18.146 +72 44 59.93 – V C57