2018 HS3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4153426004 ± 2.24e-05
Semi-major axis (a)2.2116734105 AU ± 9.46e-05
Inclination (i)25.42193888° ± 5.58e-04
Long. of Asc. Node (Ω)74.44519981° ± 4.30e-04
Arg. of Perihelion (ω)159.38898095° ± 4.13e-04
Mean Anomaly (M)96.88781469° ± 5.30e-02
Mean Motion (n)0.2996613840°/day ± 1.92e-05
Perihelion dist (q)1.29307122 AU ± 7.42e-05
Aphelion dist (Q)3.13027560 AU ± 1.43e-04
Orbital Period3.28913345 yr ± 2.11e-04
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.486″
Uncertainty2
Orbit TypeAmor
MOID0.295310 AU
Observations Used79
Oppositions1
Arc Total2018-2018
First Observation Used2018-04-26
Last Observation Used2018-07-08
Observations (81)
Date Type RA Dec Mag Band Observatory
2018-05-10 08:59:28 C 13 49 25.85 +39 50 20.5 U I52
2018-05-16 08:34:09 C 13 42 52.30 +35 02 09.3 U I52
2018-05-16 08:36:32 C 13 42 52.18 +35 02 03.7 U I52
2018-05-16 08:38:55 C 13 42 52.05 +35 01 58.5 U I52
2018-05-16 08:48:46 C 13 42 51.65 +35 01 36.7 U I52
2018-05-21 04:19:58 C 13 38 56.68 +30 33 20.6 U I52
2018-05-21 04:24:14 C 13 38 56.49 +30 33 10.6 U I52
2018-05-21 04:28:31 C 13 38 56.41 +30 33 00.8 U I52
2018-05-21 04:32:46 C 13 38 56.22 +30 32 49.6 U I52
2018-05-23 05:13:41 C 13 37 39.55 +28 31 02.1 U I52
2018-05-23 05:16:04 C 13 37 39.48 +28 30 57.4 U I52
2018-05-23 05:18:28 C 13 37 39.42 +28 30 50.6 U I52
2018-05-24 05:43:43 C 13 37 06.13 +27 27 59.2 U I52
2018-05-24 05:48:29 C 13 37 06.04 +27 27 47.4 U I52
2018-06-03 06:02:57 C 13 34 43.65 +16 21 44.9 o 691
2018-06-03 06:27:36 C 13 34 43.55 +16 20 32.8 o 691
2018-06-03 06:51:51 C 13 34 43.53 +16 19 22.7 o 691
2018-06-03 08:44:57 C 13 34 43.55 +16 13 51.7 U I52
2018-06-03 08:47:19 C 13 34 43.53 +16 13 43.6 U I52
2018-06-03 08:49:43 C 13 34 43.47 +16 13 37.2 U I52
2018-06-03 08:52:05 C 13 34 43.35 +16 13 31.0 U I52
2018-06-10 06:46:30 C 13 36 15.19 +08 07 33.0 U I52
2018-06-10 06:48:53 C 13 36 15.22 +08 07 24.6 U I52
2018-06-10 06:51:16 C 13 36 15.25 +08 07 18.2 U I52
2018-06-10 06:53:39 C 13 36 15.33 +08 07 10.9 U I52
2018-06-10 07:07:32 C 13 36 15.52 +08 06 30.3 o 691
2018-06-10 07:20:33 C 13 36 15.69 +08 05 52.7 o 691
2018-06-10 07:33:32 C 13 36 15.90 +08 05 14.1 o 691
2018-07-08 01:09:01 C 14 05 00.01 -20 24 46.9 U 807
2018-07-08 01:17:13 C 14 05 00.54 -20 25 03.7 U 807
2018-07-08 01:26:37 C 14 05 01.15 -20 25 23.1 U 807