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
2019-12-17 11:44:24 S 22 55 29.966 +87 03 29.95 – V C57
2019-12-17 11:44:24 s 1 -44292.173 0 +401011.60 20.0 – C57
2019-12-17 12:14:24 S 22 55 49.356 +87 03 50.18 – V C57
2019-12-17 12:14:24 s 1 -45253.782 0 +400958.71 7260.0 – C57
2019-12-17 12:44:24 S 22 56 09.031 +87 04 10.60 – V C57
2019-12-17 12:44:24 s 1 -46214.455 0 +400897.91 3960.0 – C57
2019-12-17 13:14:24 S 22 56 28.507 +87 04 30.86 – V C57
2019-12-17 13:14:24 s 1 -47174.173 0 +400829.20 160.0 – C57
2019-12-17 13:44:24 S 22 56 49.330 +87 04 52.10 – V C57
2019-12-17 13:44:24 s 1 -48132.916 0 +400752.59 5900.0 – C57
2019-12-17 14:14:24 S 22 57 10.020 +87 05 13.02 – V C57
2019-12-17 14:14:24 s 1 -49090.665 0 +400668.09 1230.0 – C57
2019-12-17 14:44:24 S 22 57 31.051 +87 05 33.86 – V C57
2019-12-17 14:44:24 s 1 -50047.400 0 +400575.68 6180.0 – C57
2019-12-17 15:14:24 S 22 57 50.940 +87 05 54.56 – V C57
2019-12-17 15:14:24 s 1 -51003.103 0 +400475.38 820.0 – C57
2019-12-17 15:44:24 S 22 58 10.824 +87 06 14.65 – V C57
2019-12-17 15:44:24 s 1 -51957.752 0 +400367.20 5170.0 – C57
2019-12-17 16:14:24 S 22 58 32.239 +87 06 36.00 – V C57
2019-12-17 16:14:24 s 1 -52911.330 0 +400251.13 9280.0 – C57
2019-12-17 16:44:24 S 22 58 53.563 +87 06 56.34 – V C57
2019-12-17 16:44:24 s 1 -53863.817 0 +400127.17 3200.0 – C57
2019-12-17 18:14:24 S 22 59 57.463 +87 07 57.79 – V C57
2019-12-17 18:14:24 s 1 -56714.533 0 +399708.05 4240.0 – C57
2019-12-17 18:44:24 S 23 00 19.080 +87 08 18.38 – V C57
2019-12-17 18:44:24 s 1 -57662.459 0 +399552.60 7830.0 – C57
2019-12-17 19:14:24 S 23 00 40.882 +87 08 38.83 – V C57
2019-12-17 19:14:24 s 1 -58609.196 0 +399389.27 1450.0 – C57
2019-12-17 19:44:24 S 23 01 03.370 +87 08 59.64 – V C57
2019-12-17 19:44:24 s 1 -59554.725 0 +399218.08 5140.0 – C57
2019-12-17 20:14:24 S 23 01 25.620 +87 09 20.48 – V C57
2019-12-17 20:14:24 s 1 -60499.026 0 +399039.03 8940.0 – C57
2019-12-17 20:44:24 S 23 01 48.264 +87 09 41.36 – V C57
2019-12-17 20:44:24 s 1 -61442.078 0 +398852.11 2900.0 – C57
2019-12-17 21:14:24 S 23 02 11.122 +87 10 01.88 – V C57
2019-12-17 21:14:24 s 1 -62383.864 0 +398657.33 7060.0 – C57
2019-12-17 21:44:24 S 23 02 33.658 +87 10 22.84 – V C57
2019-12-17 21:44:24 s 1 -63324.362 0 +398454.69 1470.0 – C57
2019-12-17 22:14:24 S 23 02 56.107 +87 10 43.10 – V C57
2019-12-17 22:14:24 s 1 -64263.554 0 +398244.19 6180.0 – C57
2019-12-17 22:44:24 S 23 03 18.406 +87 11 03.48 – V C57
2019-12-17 22:44:24 s 1 -65201.419 0 +398025.83 1210.0 – C57
2019-12-17 23:14:24 S 23 03 42.576 +87 11 24.18 – V C57
2019-12-17 23:14:24 s 1 -66137.938 0 +397799.62 6630.0 – C57
2019-12-17 23:44:24 S 23 04 05.986 +87 11 44.45 – V C57
2019-12-17 23:44:24 s 1 -67073.091 0 +397565.55 2480.0 – C57
2019-12-18 00:14:24 S 23 04 29.710 +87 12 05.04 – V C57
2019-12-18 00:14:24 s 1 -68006.858 0 +397323.63 1210.0 – C57
2019-12-18 00:44:24 S 23 04 53.506 +87 12 25.67 – V C57
2019-12-18 00:44:24 s 1 -68939.219 0 +397073.85 4390.0 – C57