8558 Hack (Asteroid)

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From South El Monte , 8558 Hack is visible in the evening sky, becoming accessible around 20:32 (PDT), 66° above your southern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 20:58, 67° above your southern horizon. It will continue to be observable until around 01:41, when it sinks below 21° above your western horizon.

Name 8558 Hack
Object type Asteroid
Current position
Computed for:23 April 2026
Right ascension:10h15m [1]
Declination:+11°07' [1]
Constellation:Leo
Magnitude:20.84 (V) [1]
Distance:3.22 AU
26.75 lightmin [1]
Orbital elements [1]
Semi-major axis:3.11 AU
Eccentricity:0.222382
Inclination:0.28°
Longitude ascending node:39.78°
Argument of perihelion:307.33°
Epoch of elements:21 Nov 2025
Mean Anomaly at epoch:149.34°
Absolute mag (H):14.62 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.42 AU
Aphelion:3.81 AU
Orbital period:5.50 years

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