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
2020-01-20 06:14:23 S 07 23 27.226 +68 49 11.17 V C57
2020-01-20 06:14:23 s 1 -142835.66 9 - 6911.787 8990.0 C57
2020-01-20 06:44:23 S 07 23 29.136 +68 47 45.31 V C57
2020-01-20 06:44:23 s 1 -140544.06 5 - 9633.394 3720.0 C57
2020-01-20 07:14:22 S 07 23 31.027 +68 46 22.12 V C57
2020-01-20 07:14:22 s 1 -138189.82 8 -12350.731 9650.0 C57
2020-01-20 12:30:22 C 07 25 08.19 +68 31 12.9 V T05
2020-01-20 12:35:05 C 07 25 08.25 +68 31 01.3 V T05
2020-01-20 12:43:03 C 07 25 08.40 +68 30 41.4 V T05
2020-01-20 13:00:32 C 07 25 08.72 +68 29 58.1 V T05
2020-01-20 17:31:47 C 07 25 21.74 +68 19 04.2 15.5 q C97
2020-01-20 17:33:58 C 07 25 21.80 +68 18 59.5 15.5 q C97
2020-01-20 17:36:09 C 07 25 21.86 +68 18 54.4 15.5 q C97
2020-01-20 17:38:20 C 07 25 21.77 +68 18 48.1 15.5 q C97
2020-01-21 00:39:18 C 07 25 34.98 +68 01 37.1 q I15
2020-01-21 00:41:24 C 07 25 35.01 +68 01 31.9 q I15
2020-01-21 00:43:30 C 07 25 35.06 +68 01 27.0 q I15
2020-01-22 09:35:27 C 07 26 30.27 +66 41 13.5 V T08
2020-01-22 09:40:12 C 07 26 30.33 +66 41 01.8 V T08
2020-01-22 09:51:03 C 07 26 30.48 +66 40 35.1 V T08
2020-01-22 10:08:14 C 07 26 30.70 +66 39 52.5 V T08
2020-01-24 09:26:51 C 07 27 51.68 +64 42 21.7 V T05
2020-01-24 09:42:14 C 07 27 51.89 +64 41 43.3 V T05
2020-01-24 09:57:07 C 07 27 52.10 +64 41 06.0 V T05
2020-01-26 09:58:47 C 07 29 12.60 +62 40 16.8 V T08
2020-01-26 10:03:03 C 07 29 12.66 +62 40 06.1 V T08
2020-01-26 10:12:26 C 07 29 12.84 +62 39 42.2 V T08
2020-01-26 10:29:11 C 07 29 13.12 +62 38 59.5 V T08
2020-01-26 10:44:01 C 07 29 13.26 +62 38 21.6 V T08
2020-01-26 10:48:39 C 07 29 13.34 +62 38 09.9 V T08
2020-01-26 10:58:00 C 07 29 13.48 +62 37 45.9 V T08
2020-01-26 11:10:25 C 07 29 16.63 +62 37 00.5 o D54
2020-01-26 11:13:37 C 07 29 16.69 +62 36 52.4 o D54
2020-01-26 11:18:01 C 07 29 13.79 +62 36 54.6 V T08
2020-01-26 12:27:25 C 07 29 18.50 +62 33 50.1 o D54
2020-01-26 12:29:00 C 07 29 18.35 +62 33 46.0 o D54
2020-01-26 12:30:35 C 07 29 18.46 +62 33 42.0 o D54
2020-01-26 13:17:51 C 07 29 19.39 +62 31 42.3 o D54
2020-01-26 13:19:26 C 07 29 19.52 +62 31 39.5 o D54
2020-01-26 13:21:02 C 07 29 19.46 +62 31 34.5 o D54
2020-01-27 07:09:44 C 07 29 50.339 +61 46 35.88 U F51
2020-01-27 07:29:16 C 07 29 50.674 +61 45 47.21 U F51
2020-01-27 07:48:52 C 07 29 51.122 +61 44 58.43 U F51
2020-01-27 12:10:43 C 07 29 58.34 +61 33 43.8 o D54
2020-01-27 12:13:22 C 07 29 58.33 +61 33 37.2 o D54
2020-01-27 13:15:33 C 07 29 59.61 +61 31 00.7 o D54
2020-01-27 13:16:52 C 07 29 59.64 +61 30 57.8 o D54
2020-01-27 13:18:12 C 07 29 59.62 +61 30 54.3 o D54
2020-01-27 13:59:49 C 07 30 00.46 +61 29 09.3 o D54
2020-01-28 05:15:12 C 07 30 26.82 +60 50 31.6 V 703