Astro Corner
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Celestial object
C/2011 Y3 (Boattini)
2011 Y3, Boattini, C/2011 Y3 (Boattini)
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Reference data
RADate-dependentMoving object · use an ephemeris
DecDate-dependentMoving object · use an ephemeris
Magnitude—
Angular size—
Position angle—
Distance—
Constellation—
Solar System catalogue
JPL SBDBMoving-object reference
Comets and minor planets move against the background sky. Astro Corner therefore keeps their orbital catalogue record separately and does not pretend a single RA/Dec is permanently correct.
Primary designation2011 Y3
JPL SPK-ID1003164
Orbit classJFc
Orbit IDJPL 7
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2455927.5
Eccentricity0.704914825464
Semi-major axis11.853673092 AU
Perihelion distance3.497843193 AU
Orbital period14,906.6 days
Earth MOID2.524510000 AU
Jupiter Tisserand2.355000
Inclination26.51685374°
Absolute magnitude · H—
Comet total magnitude · M111.7000 · K1 10.0000
Diameter—
Albedo—
Last catalogue sync2026-09-18 11:40:02
Planning coordinates are intentionally separate.A later Horizons ephemeris layer can calculate the object's apparent position for a specific date, time and observing location. Until then, static-sky tools are hidden for this record rather than showing misleading coordinates.
Open JPL Small-Body Database 
Reference transparencySources & data provenanceSee where catalogue identities and imported reference fields came from.4 records
Community observations
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Published Guides that reference this canonical object.
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Images of this object
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