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
2019-12-15 20:14:24 S 22 36 23.450 +86 36 23.26 V C57
2019-12-15 20:14:24 s 1 +32911.809 0 +379501.64 5270.0 C57
2019-12-15 20:44:24 S 22 36 32.059 +86 36 43.16 V C57
2019-12-15 20:44:24 s 1 +31941.492 0 +380103.23 6640.0 C57
2019-12-15 21:14:24 S 22 36 42.708 +86 37 03.83 V C57
2019-12-15 21:14:24 s 1 +30970.385 0 +380695.96 3440.0 C57
2019-12-16 01:44:24 S 22 38 17.954 +86 40 06.13 V C57
2019-12-16 01:44:24 s 1 +22199.212 0 +385635.26 9270.0 C57
2019-12-16 01:51:24 C 23 04 33.72 +86 46 08.7 U I41
2019-12-16 01:52:47 C 23 04 34.22 +86 46 09.8 U I41
2019-12-16 02:14:24 S 22 38 30.288 +86 40 27.19 V C57
2019-12-16 02:14:24 s 1 +21221.644 0 +386140.51 3780.0 C57
2019-12-16 02:44:24 S 22 38 41.959 +86 40 47.39 V C57
2019-12-16 02:44:24 s 1 +20243.571 0 +386637.10 4390.0 C57
2019-12-16 03:09:11 C 23 05 06.54 +86 47 06.2 U I41
2019-12-16 03:13:43 C 23 05 08.50 +86 47 09.5 U I41
2019-12-16 03:14:24 S 22 38 52.946 +86 41 07.87 V C57
2019-12-16 03:14:24 s 1 +19265.017 0 +387125.07 1160.0 C57
2019-12-16 03:44:24 S 22 39 05.016 +86 41 28.28 V C57
2019-12-16 03:44:24 s 1 +18286.007 0 +387604.43 4150.0 C57
2019-12-16 04:14:24 S 22 39 15.881 +86 41 48.62 V C57
2019-12-16 04:14:24 s 1 +17306.565 0 +388075.20 3420.0 C57
2019-12-16 04:44:24 S 22 39 27.667 +86 42 09.25 V C57
2019-12-16 04:44:24 s 1 +16326.715 0 +388537.40 9020.0 C57
2019-12-16 05:14:24 S 22 39 41.746 +86 42 28.01 V C57
2019-12-16 05:14:24 s 1 +15346.483 0 +388991.03 1010.0 C57
2019-12-16 06:14:24 S 22 40 04.126 +86 43 10.49 V C57
2019-12-16 06:14:24 s 1 +13384.963 0 +389872.69 4400.0 C57
2019-12-16 06:44:24 S 22 40 16.752 +86 43 30.79 V C57
2019-12-16 06:44:24 s 1 +12403.723 0 +390300.75 5910.0 C57
2019-12-16 07:44:24 S 22 40 40.757 +86 44 12.37 V C57
2019-12-16 07:44:24 s 1 +10440.402 0 +391131.40 8820.0 C57
2019-12-16 08:14:24 S 22 40 54.242 +86 44 33.40 V C57
2019-12-16 08:44:24 S 22 41 05.515 +86 44 53.59 V C57
2019-12-16 09:14:24 S 22 41 18.847 +86 45 14.62 V C57
2019-12-16 09:44:24 S 22 41 32.006 +86 45 34.49 V C57
2019-12-16 10:14:24 S 22 41 44.026 +86 45 54.47 V C57
2019-12-16 12:44:24 S 22 42 50.674 +86 47 38.29 V C57
2019-12-16 13:14:24 S 22 43 03.192 +86 47 58.42 V C57
2019-12-16 13:44:24 S 22 43 18.382 +86 48 17.78 V C57
2019-12-16 14:14:24 S 22 43 33.319 +86 48 39.67 V C57
2019-12-16 14:44:24 S 22 43 45.660 +86 49 00.05 V C57
2019-12-16 15:14:24 S 22 44 00.192 +86 49 21.07 V C57
2019-12-16 15:44:24 S 22 44 15.523 +86 49 41.63 V C57
2019-12-16 16:14:24 S 22 44 28.982 +86 50 02.40 V C57
2019-12-16 16:44:24 S 22 44 43.128 +86 50 23.14 V C57
2019-12-16 17:14:24 S 22 44 58.428 +86 50 43.69 V C57
2019-12-16 17:44:24 S 22 45 13.474 +86 51 04.50 V C57
2019-12-16 18:44:24 S 22 45 42.353 +86 51 45.14 V C57
2019-12-16 18:44:24 s 1 -11180.429 0 +398059.65 8850.0 C57