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
2019-11-05 00:44:25 s 1 +124787.90 1 +257925.77 7440.0 C57
2019-11-05 01:14:25 S 00 41 50.378 +72 23 13.34 V C57
2019-11-05 01:14:25 s 1 +124103.82 9 +259604.11 2530.0 C57
2019-11-05 01:44:25 S 00 41 44.174 +72 23 57.26 V C57
2019-11-05 01:44:25 s 1 +123413.26 2 +261268.90 5030.0 C57
2019-11-05 02:14:25 S 00 41 38.227 +72 24 36.72 V C57
2019-11-05 02:14:25 s 1 +122716.31 1 +262920.20 5320.0 C57
2019-11-05 02:44:25 S 00 41 32.179 +72 25 19.20 V C57
2019-11-05 02:44:25 s 1 +122013.08 8 +264558.10 3740.0 C57
2019-11-05 03:14:25 S 00 41 25.694 +72 26 00.78 V C57
2019-11-05 03:14:25 s 1 +121303.70 3 +266182.66 620.0 C57
2019-11-05 03:44:25 S 00 41 19.757 +72 26 42.79 V C57
2019-11-05 03:44:25 s 1 +120588.26 2 +267793.97 6300.0 C57
2019-11-05 04:14:25 S 00 41 13.543 +72 27 22.43 V C57
2019-11-05 04:14:25 s 1 +119866.87 1 +269392.09 1100.0 C57
2019-11-05 04:44:25 S 00 41 07.428 +72 28 05.63 V C57
2019-11-05 04:44:25 s 1 +119139.63 0 +270977.10 5350.0 C57
2019-11-05 05:14:25 S 00 41 01.243 +72 28 45.44 V C57
2019-11-05 05:14:25 s 1 +118406.64 3 +272549.06 9360.0 C57
2019-11-05 05:44:25 S 00 40 55.363 +72 29 27.13 V C57
2019-11-05 05:44:25 s 1 +117668.00 6 +274108.05 3440.0 C57
2019-11-05 06:14:25 S 00 40 48.982 +72 30 08.71 V C57
2019-11-05 06:14:25 s 1 +116923.81 7 +275654.14 7880.0 C57
2019-11-05 06:44:25 S 00 40 43.330 +72 30 48.89 V C57
2019-11-05 06:44:25 s 1 +116174.17 1 +277187.38 2990.0 C57
2019-11-05 07:14:25 S 00 40 37.018 +72 31 28.88 V C57
2019-11-05 07:14:25 s 1 +115419.16 1 +278707.86 9060.0 C57
2019-11-05 07:44:25 S 00 40 31.759 +72 32 07.04 V C57
2019-11-05 07:44:25 s 1 +114658.87 8 +280215.63 6370.0 C57
2019-11-05 08:11:51 C 00 43 33.53 +72 25 10.3 V T05
2019-11-05 08:16:27 C 00 43 32.70 +72 25 16.9 V T05
2019-11-05 08:25:07 C 00 43 31.16 +72 25 29.1 V T05
2019-11-05 08:39:41 C 00 43 28.59 +72 25 49.7 V T05
2019-11-05 08:44:25 S 00 40 18.533 +72 33 30.17 V C57
2019-11-05 08:44:25 s 1 +113122.85 3 +283193.31 5840.0 C57
2019-11-05 09:14:25 S 00 40 12.535 +72 34 14.45 V C57
2019-11-05 09:14:25 s 1 +112347.28 4 +284663.35 8540.0 C57
2019-11-05 10:44:25 S 00 39 54.413 +72 36 16.74 V C57
2019-11-05 10:44:25 s 1 +109991.36 7 +288999.01 1690.0 C57
2019-11-05 11:14:25 S 00 39 48.221 +72 36 56.27 V C57
2019-11-05 11:14:25 s 1 +109196.59 8 +290419.62 5270.0 C57
2019-11-05 11:44:25 S 00 39 42.353 +72 37 38.17 V C57
2019-11-05 11:44:25 s 1 +108397.22 9 +291828.01 2200.0 C57
2019-11-05 12:14:25 S 00 39 35.942 +72 38 17.95 V C57
2019-11-05 12:14:25 s 1 +107593.33 9 +293224.25 2720.0 C57
2019-11-05 12:44:25 S 00 39 30.190 +72 38 59.03 V C57
2019-11-05 12:44:25 s 1 +106785.00 3 +294608.40 7080.0 C57
2019-11-05 13:14:25 S 00 39 24.034 +72 39 38.77 V C57
2019-11-05 13:14:25 s 1 +105972.29 7 +295980.51 5490.0 C57
2019-11-05 13:44:25 S 00 39 18.115 +72 40 20.89 V C57