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
2019-11-01 10:19:28 C 00 57 20.14 +70 04 50.4 V T05
2019-11-01 21:27:53 C 00 55 48.73 +70 22 07.5 V 089
2019-11-01 21:31:16 C 00 55 48.22 +70 22 12.7 V 089
2019-11-01 21:34:39 C 00 55 47.72 +70 22 17.9 V 089
2019-11-01 22:14:36 C 00 55 41.62 +70 23 19.6 V 089
2019-11-01 22:17:59 C 00 55 41.18 +70 23 24.4 V 089
2019-11-01 22:21:22 C 00 55 40.68 +70 23 29.5 V 089
2019-11-01 22:24:45 C 00 55 40.17 +70 23 34.5 V 089
2019-11-01 22:28:08 C 00 55 39.67 +70 23 39.7 V 089
2019-11-01 22:31:31 C 00 55 39.16 +70 23 44.9 V 089
2019-11-03 04:14:25 S 00 51 17.405 +71 15 29.52 V C57
2019-11-03 04:14:25 s 1 +131861.44 4 +42075.203 1690.0 C57
2019-11-03 04:44:25 S 00 51 11.606 +71 16 29.28 V C57
2019-11-03 04:44:25 s 1 +132985.09 7 +45356.004 440.0 C57
2019-11-03 05:44:25 S 00 50 59.472 +71 18 03.06 V C57
2019-11-03 05:44:25 s 1 +135069.07 4 +51860.871 5670.0 C57
2019-11-03 06:14:25 S 00 50 53.702 +71 18 50.98 V C57
2019-11-03 06:14:25 s 1 +136033.13 0 +55084.009 2760.0 C57
2019-11-03 06:44:25 S 00 50 45.984 +71 19 40.91 V C57
2019-11-03 06:44:25 s 1 +136947.58 4 +58287.103 9560.0 C57
2019-11-03 07:14:25 S 00 50 39.665 +71 20 30.16 V C57
2019-11-03 07:14:25 s 1 +137814.10 3 +61469.838 840.0 C57
2019-11-03 07:44:25 S 00 50 33.082 +71 21 19.15 V C57
2019-11-03 07:44:25 s 1 +138634.28 4 +64631.946 1170.0 C57
2019-11-03 08:19:47 C 00 50 50.82 +71 15 26.0 V T08
2019-11-03 08:32:32 C 00 50 48.72 +71 15 45.1 V T08
2019-11-03 08:47:46 C 00 50 46.22 +71 16 07.9 V T08
2019-11-03 12:14:25 S 00 49 34.274 +71 28 34.36 V C57
2019-11-03 12:14:25 s 1 +144162.23 2 +92137.367 390.0 C57
2019-11-03 12:44:25 S 00 49 29.957 +71 29 15.14 V C57
2019-11-03 12:44:25 s 1 +144593.11 3 +95086.334 5570.0 C57
2019-11-03 13:14:25 S 00 49 22.670 +71 30 09.40 V C57
2019-11-03 13:14:25 s 1 +144991.30 8 +98013.853 9420.0 C57
2019-11-03 13:44:25 S 00 49 16.541 +71 31 05.56 V C57
2019-11-03 13:44:25 s 1 +145357.77 5 +100919.96 4750.0 C57
2019-11-04 00:14:25 S 00 47 01.042 +71 47 12.84 V C57
2019-11-04 00:14:25 s 1 +147081.60 0 +157169.17 8800.0 C57
2019-11-04 09:14:25 S 00 45 08.434 +72 00 20.81 V C57
2019-11-04 09:14:25 s 1 +142017.64 8 +198700.91 1540.0 C57
2019-11-04 10:44:25 S 00 44 50.210 +72 02 40.45 V C57
2019-11-04 10:44:25 s 1 +140753.86 9 +205079.86 9120.0 C57
2019-11-04 11:14:25 S 00 44 43.219 +72 03 27.47 V C57
2019-11-04 11:14:25 s 1 +140309.89 0 +207173.46 6480.0 C57
2019-11-04 11:44:25 S 00 44 37.954 +72 04 07.28 V C57
2019-11-04 11:44:25 s 1 +139854.93 0 +209250.89 7410.0 C57
2019-11-04 12:14:25 S 00 44 31.250 +72 04 51.85 V C57
2019-11-04 12:14:25 s 1 +139389.20 7 +211312.25 2590.0 C57
2019-11-04 12:44:25 S 00 44 26.834 +72 05 34.44 V C57
2019-11-04 12:44:25 s 1 +138912.93 3 +213357.67 2660.0 C57
2019-11-04 14:14:25 S 00 44 06.586 +72 07 38.24 V C57