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
2020-02-20 00:54:26 C 07 49 01.96 +39 20 26.4 q I15
2020-02-20 00:57:43 C 07 49 02.07 +39 20 19.8 q I15
2020-02-20 01:01:00 C 07 49 02.19 +39 20 13.3 q I15
2020-02-20 04:49:39 C 07 49 11.27 +39 12 37.2 U I41
2020-02-20 05:29:06 C 07 49 12.65 +39 11 18.3 U I41
2020-02-20 05:29:47 C 07 49 12.68 +39 11 17.0 U I41
2020-02-20 20:57:43 C 07 49 50.61 +38 40 28.7 16.2 q 122
2020-02-20 21:17:04 C 07 49 51.28 +38 39 50.3 16.3 q 122
2020-02-20 21:37:07 C 07 49 51.99 +38 39 10.6 16.3 q 122
2020-02-20 22:57:50 C 07 49 54.81 +38 36 30.5 V 160
2020-02-20 23:00:45 C 07 49 54.92 +38 36 24.6 V 160
2020-02-20 23:03:40 C 07 49 55.03 +38 36 18.9 V 160
2020-02-21 04:06:47 C 07 50 08.44 +38 26 24.8 U I41
2020-02-21 04:37:47 C 07 50 09.56 +38 25 24.2 U I41
2020-02-21 06:44:06 C 07 50 14.09 +38 21 16.2 U I41
2020-02-21 07:12:29 C 07 50 15.12 +38 20 20.2 U I41
2020-02-21 07:13:08 C 07 50 15.15 +38 20 18.9 U I41
2020-02-21 07:13:47 C 07 50 15.17 +38 20 17.6 U I41
2020-02-21 12:07:46 C 07 50 26.62 +38 10 42.7 V T05
2020-02-21 12:09:46 C 07 50 26.70 +38 10 38.7 V T05
2020-02-21 12:15:23 C 07 50 26.92 +38 10 27.5 V T05
2020-02-21 12:28:42 C 07 50 27.42 +38 10 01.2 V T05
2020-02-22 21:54:29 C 07 51 52.04 +37 05 38.3 V 160
2020-02-22 21:57:40 C 07 51 52.16 +37 05 32.2 V 160
2020-02-22 22:00:50 C 07 51 52.28 +37 05 26.1 V 160
2020-02-22 22:57:11 C 07 51 54.51 +37 03 39.5 16.5 q 122
2020-02-22 23:09:11 C 07 51 54.96 +37 03 16.7 16.5 q 122
2020-02-22 23:24:29 C 07 51 55.55 +37 02 47.4 16.5 q 122
2020-02-23 00:25:50 C 07 51 59.18 +37 00 51.0 q I15
2020-02-23 00:27:56 C 07 51 59.26 +37 00 47.1 q I15
2020-02-23 00:30:02 C 07 51 59.32 +37 00 43.0 q I15
2020-02-23 08:03:49 C 07 52 18.02 +36 46 33.6 V T08
2020-02-23 08:11:21 C 07 52 18.30 +36 46 19.5 V T08
2020-02-23 08:15:21 C 07 52 18.45 +36 46 11.9 V T08
2020-02-23 08:33:13 C 07 52 19.10 +36 45 38.3 V T08
2020-02-23 21:39:55 C 07 52 52.63 +36 21 00.5 16.3 q 122
2020-02-23 21:52:17 C 07 52 53.09 +36 20 37.5 16.3 q 122
2020-02-23 22:06:17 C 07 52 53.64 +36 20 11.2 16.3 q 122
2020-02-23 23:22:57 C 07 52 57.85 +36 17 46.7 q I15
2020-02-23 23:31:00 C 07 52 58.17 +36 17 31.9 q I15
2020-02-23 23:37:56 C 07 52 58.45 +36 17 19.3 q I15
2020-02-24 04:21:31 C 07 53 10.24 +36 08 37.0 U I41
2020-02-24 04:38:17 C 07 53 10.88 +36 08 06.2 U I41
2020-02-24 04:58:26 C 07 53 11.65 +36 07 29.0 U I41
2020-02-24 05:50:28 C 07 53 13.63 +36 05 52.9 U I41
2020-02-24 05:51:48 C 07 53 13.68 +36 05 50.4 U I41
2020-02-25 05:02:32 C 07 54 13.85 +35 23 28.1 V 703
2020-02-25 05:10:55 C 07 54 14.18 +35 23 13.3 V 703
2020-02-25 05:18:45 C 07 54 14.51 +35 22 58.8 V 703
2020-02-25 05:26:26 C 07 54 14.80 +35 22 45.2 V 703