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
2019-07-06 10:36:41 C 00 34 48.30 +03 49 39.7 U I41
2019-07-06 11:08:45 C 00 34 50.00 +03 50 01.9 U I41
2019-07-06 13:48:45 C 00 34 58.66 +03 51 54.3 V T08
2019-07-06 13:57:32 C 00 34 59.24 +03 51 59.8 V T08
2019-07-06 14:02:23 C 00 34 59.40 +03 52 02.7 V T08
2019-07-06 14:18:36 C 00 35 00.29 +03 52 14.8 V T08
2019-07-09 09:11:46 C 00 38 37.46 +04 39 05.3 V 703
2019-07-09 09:36:29 C 00 38 38.81 +04 39 25.7 V 703
2019-07-13 19:03:43 C 00 44 16.40 +05 55 31.9 q D29
2019-07-13 19:24:04 C 00 44 17.44 +05 55 47.0 q D29
2019-07-13 19:44:26 C 00 44 18.48 +05 56 01.9 q D29
2019-07-25 12:23:13 C 00 58 47.41 +09 34 33.6 V T08
2019-07-25 12:27:16 C 00 58 47.58 +09 34 37.9 V T08
2019-07-25 12:56:26 C 00 58 49.00 +09 35 01.2 V T08
2019-07-25 13:07:08 C 00 58 49.52 +09 35 09.9 V T08
2019-07-27 00:53:52 C 01 00 36.69 +10 04 55.3 q 160
2019-07-27 00:56:55 C 01 00 36.79 +10 04 58.6 q 160
2019-07-27 00:59:58 C 01 00 36.95 +10 05 01.0 q 160
2019-07-27 13:25:14 C 01 01 13.82 +10 15 30.6 V T05
2019-07-27 13:37:05 C 01 01 14.42 +10 15 39.9 V T05
2019-07-27 13:42:58 C 01 01 14.68 +10 15 45.0 V T05
2019-07-27 13:58:32 C 01 01 15.44 +10 15 57.5 V T05
2019-07-29 10:15:04 C 01 03 26.21 +10 53 42.7 U I41
2019-07-29 11:10:14 C 01 03 28.82 +10 54 30.4 U I41
2019-07-29 12:33:04 C 01 03 32.95 +10 55 43.0 V T08
2019-07-29 12:37:44 C 01 03 33.20 +10 55 47.4 V T08
2019-07-29 12:47:38 C 01 03 33.66 +10 55 55.5 V T08
2019-07-29 13:07:53 C 01 03 34.63 +10 56 13.0 V T08
2019-08-01 10:20:41 C 01 06 55.50 +11 56 55.3 U I41
2019-08-01 11:29:38 C 01 06 58.68 +11 57 57.0 U I41
2019-08-01 11:57:26 C 01 06 59.95 +11 58 22.0 U I41
2019-08-01 12:00:01 C 01 07 00.08 +11 58 24.2 U I41
2019-08-04 00:59:29 C 01 09 53.68 +12 53 40.0 q 160
2019-08-04 01:02:29 C 01 09 53.72 +12 53 43.1 q 160
2019-08-04 01:05:32 C 01 09 53.89 +12 53 46.1 q 160
2019-08-04 11:51:54 C 01 10 24.32 +13 03 43.6 V T05
2019-08-04 12:12:26 C 01 10 25.25 +13 04 03.9 V T05
2019-08-04 12:16:45 C 01 10 25.37 +13 04 08.4 V T05
2019-08-04 12:33:55 C 01 10 26.17 +13 04 23.9 V T05
2019-08-07 00:47:24 C 01 13 13.28 +14 00 59.4 q 160
2019-08-07 00:50:26 C 01 13 13.41 +14 01 01.9 q 160
2019-08-07 00:53:27 C 01 13 13.55 +14 01 05.4 q 160
2019-08-10 01:38:32 C 01 16 30.50 +15 12 00.1 q 160
2019-08-10 01:40:35 C 01 16 30.58 +15 12 01.8 q 160
2019-08-11 00:01:33 C 01 17 30.15 +15 34 22.9 q 160
2019-08-11 00:04:33 C 01 17 30.28 +15 34 25.4 q 160
2019-08-11 00:07:36 C 01 17 30.39 +15 34 28.5 q 160
2019-08-11 10:59:51 C 01 17 58.89 +15 45 28.8 U I41
2019-08-11 11:05:23 C 01 17 59.13 +15 45 34.5 U I41
2019-08-11 11:06:42 C 01 17 59.19 +15 45 35.8 U I41