2018 HQ

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5786086000
Semi-major axis (a)1.8099037000 AU
Inclination (i)13.74736000°
Long. of Asc. Node (Ω)9.03150000°
Arg. of Perihelion (ω)294.95374000°
Mean Anomaly (M)9.40153000°
Mean Motion (n)0.4047816900°/day
Perihelion dist (q)0.76267790 AU
Aphelion dist (Q)2.85712950 AU
Orbital Period2.43491160 yr
Physical Parameters
H (abs. magnitude)21.53
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual1.020″
Uncertainty6
Orbit TypeApollo
MOID0.016468 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-09
Observations (44)
Date Type RA Dec Mag Band Observatory
2018-03-17 12:20:03 C 13 39 48.464 -10 02 30.62 V F51
2018-03-17 12:35:27 C 13 39 47.900 -10 02 37.76 V F51
2018-03-17 12:50:52 C 13 39 47.315 -10 02 44.71 V F51
2018-03-17 13:06:21 C 13 39 46.751 -10 02 51.48 V F51
2018-04-19 07:16:13 C 12 19 42.03 -18 39 07.5 U G96
2018-04-19 07:23:40 C 12 19 40.53 -18 39 13.6 U G96
2018-04-19 07:31:08 C 12 19 39.06 -18 39 20.1 U G96
2018-04-19 07:38:34 C 12 19 37.61 -18 39 25.7 U G96
2018-04-19 08:47:01 C 12 19 24.19 -18 40 26.6 U I52
2018-04-19 08:48:48 C 12 19 23.84 -18 40 27.5 U I52
2018-04-19 08:50:36 C 12 19 23.50 -18 40 28.6 U I52
2018-04-19 08:52:23 C 12 19 23.16 -18 40 30.6 U I52
2018-04-20 01:18:20 C 12 16 14.99 -18 54 39.6 U 807
2018-04-20 01:24:15 C 12 16 13.82 -18 54 45.2 U 807
2018-04-20 01:31:00 C 12 16 12.45 -18 54 51.2 U 807
2018-04-20 04:01:35 C 12 15 43.13 -18 57 30.0 U I52
2018-04-20 04:05:09 C 12 15 42.35 -18 57 33.9 U I52
2018-04-20 04:06:57 C 12 15 42.02 -18 57 36.0 U I52
2018-04-20 21:48:16 C 12 12 11.27 -19 13 27.4 d L01
2018-04-20 22:01:05 C 12 12 08.56 -19 13 37.7 d L01
2018-04-20 22:09:24 C 12 12 06.93 -19 13 45.4 d L01
2018-04-21 05:05:53 C 12 10 43.74 -19 19 57.6 U I52
2018-04-21 05:06:59 C 12 10 43.50 -19 19 58.4 U I52
2018-04-21 05:08:05 C 12 10 43.26 -19 19 59.1 U I52
2018-04-23 03:11:04 C 12 01 10.48 -20 01 30.2 U I52
2018-04-23 03:12:10 C 12 01 10.06 -20 01 30.4 U I52
2018-04-23 03:13:15 C 12 01 09.80 -20 01 31.7 U I52
2018-04-23 03:14:21 C 12 01 09.60 -20 01 32.5 U I52
2018-04-24 05:00:28 C 11 55 34.01 -20 24 54.8 U I52
2018-04-24 05:01:33 C 11 55 33.78 -20 24 57.1 U I52
2018-04-24 05:02:39 C 11 55 33.55 -20 24 58.3 U I52
2018-04-24 05:03:45 C 11 55 33.27 -20 24 59.0 U I52
2018-05-03 03:52:01 C 11 03 14.24 -23 34 13.6 o 691
2018-05-03 04:10:33 C 11 03 09.21 -23 34 30.0 o 691
2018-05-04 03:21:28 C 10 56 58.39 -23 53 19.7 o 691
2018-05-04 03:36:39 C 10 56 54.14 -23 53 32.0 o 691
2018-05-04 03:52:03 C 10 56 49.90 -23 53 44.5 o 691
2018-05-09 05:01:50 C 10 23 13.87 -25 22 50.9 o 291
2018-05-09 05:05:16 C 10 23 12.88 -25 22 53.5 o 291
2018-05-09 05:08:45 C 10 23 11.85 -25 22 55.4 o 291
2018-05-09 07:31:36 C 10 22 32.65 -25 23 52.2 U 474
2018-05-09 07:34:10 C 10 22 31.92 -25 23 53.8 U 474
2018-05-09 07:36:44 C 10 22 31.15 -25 23 55.1 U 474
2018-05-09 07:39:18 C 10 22 30.41 -25 23 56.7 U 474