2017 QE18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6277680333 ± 1.36e-06
Semi-major axis (a)1.9601610409 AU ± 5.21e-06
Inclination (i)10.49187138° ± 2.72e-05
Long. of Asc. Node (Ω)276.65962439° ± 7.11e-05
Arg. of Perihelion (ω)183.41267495° ± 7.41e-05
Mean Anomaly (M)309.40622180° ± 4.59e-03
Mean Motion (n)0.3591489875°/day ± 1.43e-06
Perihelion dist (q)0.72963460 AU ± 3.29e-06
Aphelion dist (Q)3.19068748 AU ± 8.89e-06
Orbital Period2.74433819 yr ± 1.09e-05
Physical Parameters
H (abs. magnitude)19.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.244″
Uncertainty1
Orbit TypeApollo
MOID0.164755 AU
Observations Used76
Oppositions1
Arc Total2017-2018
First Observation Used2017-07-26
Last Observation Used2018-05-24
Observations (77)
Date Type RA Dec Mag Band Observatory
2017-09-18 03:44:04 C 21 10 13.26 +05 10 10.2 q I52
2017-09-18 03:47:10 C 21 10 13.03 +05 10 08.8 q I52
2017-09-18 03:50:11 C 21 10 12.78 +05 10 08.0 q I52
2017-09-25 05:38:37 C 20 58 11.736 +04 10 07.78 L F51
2017-09-25 05:55:54 C 20 58 10.573 +04 10 01.40 L F51
2017-09-25 06:13:18 C 20 58 09.393 +04 09 55.07 L F51
2017-09-25 06:30:48 C 20 58 08.218 +04 09 48.62 L F51
2017-10-20 00:54:44 C 20 35 49.25 +00 39 37.7 u 807
2017-10-20 01:01:13 C 20 35 49.17 +00 39 36.2 u 807
2017-10-20 01:07:52 C 20 35 49.10 +00 39 34.1 u 807
2017-10-24 00:17:59 C 20 35 22.32 +00 12 06.5 U 807
2017-10-24 00:25:50 C 20 35 22.30 +00 12 04.0 U 807
2017-10-24 00:33:52 C 20 35 22.27 +00 12 01.7 U 807
2017-11-02 05:08:46 C 20 37 25.934 -00 41 29.97 L F51
2017-11-02 05:25:04 C 20 37 26.189 -00 41 33.47 L F51
2017-11-02 05:41:23 C 20 37 26.437 -00 41 36.30 L F51
2017-11-02 05:57:39 C 20 37 26.685 -00 41 40.06 L F51
2017-12-13 01:33:31 C 21 26 11.92 -02 26 22.0 o 926
2017-12-13 01:40:54 C 21 26 12.45 -02 26 22.7 o 926
2017-12-13 01:48:16 C 21 26 13.00 -02 26 24.8 o 926
2018-02-26 08:15:31 C 17 13 57.16 -65 00 06.3 U 807
2018-02-26 08:18:00 C 17 13 55.88 -65 00 07.1 U 807
2018-02-26 08:28:05 C 17 13 50.64 -65 00 08.8 U 807
2018-05-08 05:48:13 C 12 37 43.96 -27 34 11.1 U V06
2018-05-08 06:23:04 C 12 37 43.99 -27 33 37.2 U V06
2018-05-24 05:37:37 C 12 43 28.27 -22 46 57.9 U V06
2018-05-24 05:59:15 C 12 43 28.76 -22 46 46.2 U V06