2017 HW48

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5903611359 ± 2.17e-08
Semi-major axis (a)2.9655906063 AU ± 3.52e-08
Inclination (i)5.14922644° ± 3.21e-06
Long. of Asc. Node (Ω)108.26200484° ± 2.38e-05
Arg. of Perihelion (ω)176.82970497° ± 2.65e-05
Mean Anomaly (M)223.89944466° ± 1.21e-05
Mean Motion (n)0.1929947433°/day ± 3.44e-09
Perihelion dist (q)1.21482117 AU ± 6.59e-08
Aphelion dist (Q)4.71636005 AU ± 8.53e-08
Orbital Period5.10701103 yr ± 9.10e-08
Physical Parameters
H (abs. magnitude)20.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.269″
Uncertainty0
Orbit TypeAmor
MOID0.196736 AU
Observations Used257
Oppositions8
Arc Total2012-2022
First Observation Used2012-10-15
Last Observation Used2022-04-04
Observations (257)
Date Type RA Dec Mag Band Observatory
2017-10-26 01:30:38 C 22 19 00.25 -19 09 44.0 U 807
2017-10-26 01:52:01 C 22 19 01.67 -19 09 33.1 U 807
2017-10-26 02:12:58 C 22 19 03.02 -19 09 22.0 U 807
2022-04-04 09:41:21 C 12 40 42.146 +06 06 00.79 V V06
2022-04-04 09:45:21 C 12 40 41.952 +06 06 02.27 V V06
2022-04-04 09:49:20 C 12 40 41.725 +06 06 03.53 V V06
2022-04-04 09:53:20 C 12 40 41.520 +06 06 05.44 V V06