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
2019-12-04 10:44:24 S 22 25 42.070 +83 08 51.79 – V C57
2019-12-04 10:44:24 s 1 -43031.447 0 +396037.14 1880.0 – C57
2019-12-04 11:14:24 S 22 25 39.526 +83 09 09.83 – V C57
2019-12-04 11:14:24 s 1 -43975.644 0 +395949.33 7800.0 – C57
2019-12-04 11:44:24 S 22 25 36.912 +83 09 27.22 – V C57
2019-12-04 11:44:24 s 1 -44918.965 0 +395853.50 3890.0 – C57
2019-12-04 12:14:24 S 22 25 34.344 +83 09 45.58 – V C57
2019-12-04 12:14:24 s 1 -45861.388 0 +395749.63 190.0 – C57
2019-12-04 12:44:24 S 22 25 31.944 +83 10 02.28 – V C57
2019-12-04 12:44:24 s 1 -46802.896 0 +395637.74 6770.0 – C57
2019-12-04 13:14:24 S 22 25 29.599 +83 10 20.03 – V C57
2019-12-04 13:14:24 s 1 -47743.469 0 +395517.82 3660.0 – C57
2019-12-04 13:44:24 S 22 25 27.391 +83 10 37.27 – V C57
2019-12-04 13:44:24 s 1 -48683.088 0 +395389.89 930.0 – C57
2019-12-04 14:14:24 S 22 25 24.598 +83 10 54.95 – V C57
2019-12-04 14:14:24 s 1 -49621.733 0 +395253.93 8610.0 – C57
2019-12-04 14:44:24 S 22 25 22.238 +83 11 13.02 – V C57
2019-12-04 14:44:24 s 1 -50559.385 0 +395109.95 6760.0 – C57
2019-12-04 15:14:24 S 22 25 19.838 +83 11 31.16 – V C57
2019-12-04 15:14:24 s 1 -51496.024 0 +394957.95 5430.0 – C57
2019-12-04 15:44:24 S 22 25 17.479 +83 11 49.27 – V C57
2019-12-04 15:44:24 s 1 -52431.631 0 +394797.93 4680.0 – C57
2019-12-04 16:14:24 S 22 25 15.238 +83 12 06.66 – V C57
2019-12-04 16:14:24 s 1 -53366.187 0 +394629.90 5460.0 – C57
2019-12-04 16:44:24 S 22 25 13.128 +83 12 23.94 – V C57
2019-12-04 16:44:24 s 1 -54299.672 0 +394453.85 4930.0 – C57
2019-12-04 17:14:24 S 22 25 10.836 +83 12 41.65 – V C57
2019-12-04 17:14:24 s 1 -55232.067 0 +394269.78 3670.0 – C57
2019-12-04 17:44:24 S 22 25 08.491 +83 12 59.54 – V C57
2019-12-04 17:44:24 s 1 -56163.351 0 +394077.69 1640.0 – C57
2019-12-04 18:14:24 S 22 25 06.142 +83 13 17.72 – V C57
2019-12-04 18:14:24 s 1 -57093.506 0 +393877.59 8790.0 – C57
2019-12-04 18:44:24 S 22 25 03.929 +83 13 35.47 – V C57
2019-12-04 18:44:24 s 1 -58022.511 0 +393669.47 5070.0 – C57
2019-12-04 19:14:24 S 22 25 01.574 +83 13 53.00 – V C57
2019-12-04 19:14:24 s 1 -58950.347 0 +393453.33 420.0 – C57
2019-12-04 19:44:24 S 22 24 59.976 +83 14 11.94 – V C57
2019-12-04 19:44:24 s 1 -59876.995 0 +393229.17 4800.0 – C57
2019-12-04 20:14:24 S 22 24 58.202 +83 14 30.55 – V C57
2019-12-04 20:14:24 s 1 -60802.433 0 +392996.99 8160.0 – C57
2019-12-04 20:44:24 S 22 24 55.121 +83 14 48.34 – V C57
2019-12-04 20:44:24 s 1 -61726.644 0 +392756.80 440.0 – C57
2019-12-04 21:14:24 S 22 24 53.088 +83 15 04.68 – V C57
2019-12-04 21:14:24 s 1 -62649.605 0 +392508.58 1590.0 – C57
2019-12-04 21:44:24 S 22 24 50.911 +83 15 22.79 – V C57
2019-12-04 21:44:24 s 1 -63571.298 0 +392252.33 1570.0 – C57
2019-12-04 22:14:24 S 22 24 48.749 +83 15 41.15 – V C57
2019-12-04 22:14:24 s 1 -64491.703 0 +391988.07 320.0 – C57
2019-12-04 22:44:24 S 22 24 46.754 +83 15 59.26 – V C57
2019-12-04 22:44:24 s 1 -65410.798 0 +391715.77 7790.0 – C57