8558 Hack (Asteroid)

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From South El Monte , 8558 Hack is visible in the dawn sky, rising at 23:47 (PST) and reaching an altitude of 61° above the southern horizon before fading from view as dawn breaks at around 05:33.

Name 8558 Hack
Object type Asteroid
Current position
Computed for:01 December 2025
Right ascension:10h59m [1]
Declination:+06°47' [1]
Constellation:Leo
Magnitude:21.17 (V) [1]
Distance:3.69 AU
30.71 lightmin [1]
Angular motion (speed):6.91 arcmin/day[1]
Angular motion (pos ang):292.7°
Orbital elements [1]
Semi-major axis:3.12 AU
Eccentricity:0.221403
Inclination:0.28°
Longitude ascending node:39.92°
Argument of perihelion:307.47°
Epoch of elements:25 January 2025
Mean Anomaly at epoch:95.30°
Absolute mag (H):14.62 [1]
Slope parameter (G):0.15 [1]
Derived quantities
Perihelion:2.43 AU
Aphelion:3.81 AU
Orbital period:5.51 years

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