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
2019-12-31 17:44:23 S 06 39 47.594 +84 53 00.35 – V C57
2019-12-31 17:44:23 s 1 -90503.514 0 +399666.04 5960.0 – C57
2019-12-31 18:14:23 S 06 39 55.130 +84 52 15.74 – V C57
2019-12-31 18:14:23 s 1 -91399.605 0 +399317.58 80.0 – C57
2019-12-31 18:44:23 S 06 40 03.876 +84 51 28.12 – V C57
2019-12-31 18:44:23 s 1 -92294.061 0 +398961.70 2910.0 – C57
2019-12-31 19:14:23 S 06 40 10.814 +84 50 43.19 – V C57
2019-12-31 19:14:23 s 1 -93186.864 0 +398598.40 4430.0 – C57
2019-12-31 19:44:23 S 06 40 17.976 +84 49 58.12 – V C57
2019-12-31 19:44:23 s 1 -94077.996 0 +398227.68 4600.0 – C57
2019-12-31 20:14:23 S 06 40 26.448 +84 49 11.96 – V C57
2019-12-31 20:14:23 s 1 -94967.437 0 +397849.53 3370.0 – C57
2019-12-31 20:44:23 S 06 40 33.574 +84 48 25.56 – V C57
2019-12-31 20:44:23 s 1 -95855.168 0 +397463.96 720.0 – C57
2019-12-31 21:14:23 S 06 40 40.433 +84 47 39.52 – V C57
2019-12-31 21:14:23 s 1 -96741.170 0 +397070.96 6610.0 – C57
2019-12-31 21:44:23 S 06 40 48.559 +84 46 54.98 – V C57
2019-12-31 21:44:23 s 1 -97625.424 0 +396670.53 1000.0 – C57
2019-12-31 22:14:23 S 06 40 55.884 +84 46 06.96 – V C57
2019-12-31 22:14:23 s 1 -98507.911 0 +396262.66 3860.0 – C57
2019-12-31 22:44:23 S 06 41 02.580 +84 45 21.85 – V C57
2019-12-31 22:44:23 s 1 -99388.612 0 +395847.36 5140.0 – C57
2019-12-31 23:14:23 S 06 41 10.152 +84 44 35.56 – V C57
2019-12-31 23:14:23 s 1 -100267.50 7 +395424.62 4810.0 – C57
2019-12-31 23:44:23 S 06 41 17.928 +84 43 49.76 – V C57
2019-12-31 23:44:23 s 1 -101144.57 6 +394994.44 2840.0 – C57
2020-01-01 00:44:23 S 06 41 32.280 +84 42 16.38 – V C57
2020-01-01 00:44:23 s 1 -102893.16 0 +394111.73 3800.0 – C57
2020-01-01 01:14:23 S 06 41 39.550 +84 41 30.44 – V C57
2020-01-01 01:14:23 s 1 -103764.63 6 +393659.20 6670.0 – C57
2020-01-01 01:44:23 S 06 41 46.320 +84 40 44.18 – V C57
2020-01-01 01:44:23 s 1 -104634.20 6 +393199.22 7730.0 – C57
2020-01-01 02:14:23 S 06 41 53.021 +84 39 57.71 – V C57
2020-01-01 02:14:23 s 1 -105501.85 3 +392731.77 6970.0 – C57
2020-01-01 02:44:23 S 06 42 01.015 +84 39 11.09 – V C57
2020-01-01 02:44:23 s 1 -106367.55 5 +392256.87 4330.0 – C57
2020-01-01 03:14:23 S 06 42 07.867 +84 38 23.24 – V C57
2020-01-01 03:14:23 s 1 -107231.29 3 +391774.49 9780.0 – C57
2020-01-01 03:44:23 S 06 42 14.378 +84 37 38.60 – V C57
2020-01-01 03:44:23 s 1 -108093.04 5 +391284.64 3280.0 – C57
2020-01-01 04:14:23 S 06 42 21.989 +84 36 50.22 – V C57
2020-01-01 04:14:23 s 1 -108952.79 2 +390787.32 4800.0 – C57
2020-01-01 04:44:23 S 06 42 29.040 +84 36 03.02 – V C57
2020-01-01 04:44:23 s 1 -109810.51 3 +390282.52 4300.0 – C57
2020-01-01 05:14:23 S 06 42 35.040 +84 35 16.62 – V C57
2020-01-01 05:14:23 s 1 -110666.18 7 +389770.23 1730.0 – C57
2020-01-01 05:44:23 S 06 42 42.024 +84 34 30.40 – V C57
2020-01-01 05:44:23 s 1 -111519.79 4 +389250.45 7070.0 – C57
2020-01-01 06:14:23 S 06 42 49.795 +84 33 41.94 – V C57
2020-01-01 06:14:23 s 1 -112371.31 3 +388723.17 260.0 – C57