Enceladus
Enceladus
Moon
Pisces
Sichtbar
Stufe 6
Professional/Research - Timing dependent
Eigenschaften
Helligkeit
11.8
Winkelgröße
0.1 arcmin
Type: Moon
Distance: 0.002 AU
Orbital Period: 1.4 days
Diameter: 504 km
Atmosphere: Water vapor near south pole
Features: Tiger stripes, geysers, smooth plains
Most reflective body in the solar system; active water-ice geysers at south pole. Subsurface ocean makes it a prime astrobiology target. Challenging at mag 11.8, requires 6 inch telescope and good seeing.
Position & Bezeichnungen
RA
00h 21m 12.7s
Dec
-00° 01' 49.3"
Sternbild
Pisces
Katalog
Enceladus
Physikalische Eigenschaften
Durchmesser
504 km
Masse
1.08e20 kg
Albedo
0.99
(99% reflected)
Temperatur
-240°C to -198°C
Rotation
32.9 hours
Atmosphäre
Water vapor near south pole
Oberfläche
Tiger stripes, geysers, smooth plains
Winkeldurchmesser
0.1″ (current)
Bahneigenschaften
Große Halbachse
0.0016 AU
(237,861 km)
Exzentrizität
0.0047
Bahnneigung
0.02°
Umlaufzeit
1.4 days
Entfernung
10.517 AU
(1.46 light-hours)
Elongation
2.4°
Near Sun
Beobachtungstipps
Beste Monate
April
, May
, June
Sichtbarkeit
Telescope
Wo zu finden
Near Saturn
Hinweise
Most reflective body in the solar system; active water-ice geysers at south pole. Subsurface ocean makes it a prime astrobiology target. Challenging at mag 11.8, requires 6 inch telescope and good seeing.
Zentralkörper
Entdeckung
Entdeckt von
William Herschel
Datum
1789-08-28
Aktuelle Ephemeriden
10.517
AU from Earth
1.57B
km
0.1″
Winkeldurchmesser
2°
Elongation
Sichtbarkeit
Standort in den Benutzereinstellungen festlegen um Sichtbarkeitsdaten zu sehen.
Community-Fotos (1)
Credit: National Aeronautics and Space Administration (NASA) / Jet Propulsion Laboratory (JPL). License: Public domain. (Wikimedia Commons)
Skybred Feb 28, 2026