2015 HQ171

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2661680000
Semi-major axis (a)1.1721796000 AU
Inclination (i)9.11658000°
Long. of Asc. Node (Ω)42.05730000°
Arg. of Perihelion (ω)250.98536000°
Mean Anomaly (M)69.63949000°
Mean Motion (n)0.7766276200°/day
Perihelion dist (q)0.86018290 AU
Aphelion dist (Q)1.48417630 AU
Orbital Period1.26908650 yr
Physical Parameters
H (abs. magnitude)26.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.460″
Uncertainty4
Orbit TypeApollo
MOID0.003332 AU
Observations Used50
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-05-01
Observations (67)
Date Type RA Dec Mag Band Observatory
2015-05-01 07:50:14 C 15 59 38.52 +47 57 06.6 o 926
2015-05-01 07:51:35 C 15 59 43.22 +47 58 40.9 o 926
2015-04-18 04:12:52 C 13 10 18.89 -18 31 54.1 22.6 W84
2015-04-18 04:17:30 C 13 10 18.73 -18 31 52.8 W84
2015-04-18 04:22:09 C 13 10 18.58 -18 31 51.4 W84
2015-04-18 04:26:52 C 13 10 18.42 -18 31 50.0 W84
2015-04-18 04:31:32 C 13 10 18.26 -18 31 48.6 W84
2015-04-19 03:57:14 C 13 09 33.86 -18 24 41.2 22.8 W84
2015-04-19 04:01:52 C 13 09 33.71 -18 24 39.8 W84
2015-04-19 04:06:32 C 13 09 33.56 -18 24 38.4 W84
2015-04-19 04:11:12 C 13 09 33.41 -18 24 36.9 W84
2015-04-19 04:15:52 C 13 09 33.25 -18 24 35.5 W84
2015-04-22 04:00:02 C 13 07 20.33 -18 02 19.3 22.4 W84
2015-04-22 04:04:42 C 13 07 20.18 -18 02 17.8 W84
2015-04-22 04:09:22 C 13 07 20.03 -18 02 16.5 W84
2015-04-22 04:13:59 C 13 07 19.88 -18 02 15.0 W84
2015-04-22 04:18:42 C 13 07 19.74 -18 02 13.5 W84