2017 QH18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3680255603 ± 4.12e-07
Semi-major axis (a)1.8413288617 AU ± 6.44e-09
Inclination (i)36.98615281° ± 4.38e-05
Long. of Asc. Node (Ω)164.14440579° ± 1.37e-05
Arg. of Perihelion (ω)102.18164771° ± 7.99e-05
Mean Anomaly (M)148.57890370° ± 4.26e-05
Mean Motion (n)0.3944711402°/day ± 2.07e-09
Perihelion dist (q)1.16367278 AU ± 7.59e-07
Aphelion dist (Q)2.51898495 AU ± 7.59e-07
Orbital Period2.49860176 yr ± 1.31e-08
Physical Parameters
H (abs. magnitude)19.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.317″
Uncertainty0
Orbit TypeAmor
MOID0.394889 AU
Observations Used76
Oppositions12
Arc Total2002-2022
First Observation Used2002-09-08
Last Observation Used2022-09-20
Observations (79)
Date Type RA Dec Mag Band Observatory
2017-09-14 12:04:12 C 00 31 50.579 -18 38 31.18 L F51
2017-09-22 07:07:58 C 00 23 00.77 -24 34 25.2 u 807
2017-09-22 07:12:59 C 00 23 00.50 -24 34 33.3 u 807
2017-09-22 07:18:01 C 00 23 00.23 -24 34 42.4 u 807
2017-10-21 05:14:45 C 23 59 20.71 -35 01 46.9 u 807
2017-10-21 05:23:26 C 23 59 20.53 -35 01 49.4 u 807
2017-10-21 05:32:04 C 23 59 20.44 -35 01 51.9 u 807
2017-11-13 02:50:49 C 00 01 01.15 -35 06 16.8 U 807
2017-11-13 03:08:53 C 00 01 01.43 -35 06 13.1 U 807
2017-11-13 03:26:09 C 00 01 01.70 -35 06 09.2 U 807
2022-05-05 11:14:31 C 21 24 03.980 +36 10 34.80 V V06
2022-05-05 11:19:05 C 21 24 04.620 +36 10 36.70 V V06
2022-05-05 11:23:40 C 21 24 05.260 +36 10 37.80 V V06
2022-08-20 12:19:17 C 00 52 19.171 +05 40 26.28 U F52
2022-08-20 12:33:13 C 00 52 19.057 +05 39 53.42 U F52
2022-08-20 12:47:17 C 00 52 18.912 +05 39 20.09 U F52
2022-08-29 12:14:11 C 00 49 14.059 -03 12 16.69 U F51
2022-08-29 12:32:29 C 00 49 13.560 -03 13 02.96 U F51
2022-08-29 12:51:26 C 00 49 13.031 -03 13 50.85 U F51
2022-09-05 09:46:29 C 00 44 19.564 -10 07 57.23 U F51
2022-09-05 10:20:18 C 00 44 18.247 -10 09 20.85 U F51
2022-09-05 10:37:15 C 00 44 17.590 -10 10 02.61 U F51
2022-09-16 09:44:50 C 00 33 16.445 -20 06 54.82 U F51
2022-09-16 10:02:20 C 00 33 15.557 -20 07 30.34 U F51
2022-09-16 10:19:45 C 00 33 14.690 -20 08 05.91 U F51
2022-09-16 10:37:16 C 00 33 13.775 -20 08 41.31 U F51
2022-09-20 09:50:37 C 00 28 43.212 -23 10 34.16 U F52
2022-09-20 10:06:20 C 00 28 42.401 -23 11 02.40 U F52
2022-09-20 10:21:58 C 00 28 41.593 -23 11 30.56 U F52