Astro Corner
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Celestial object
176 Iduna (A877 TB)
176, 176 Iduna (A877 TB), Iduna
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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 designation176
JPL SPK-ID20000176
Orbit classMBA
Orbit IDJPL 92
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2461200.5
Eccentricity0.172608362701
Semi-major axis3.181883620 AU
Perihelion distance2.632663898 AU
Orbital period2,073.1 days
Earth MOID1.637630000 AU
Jupiter Tisserand3.057000
Inclination22.67315544°
Absolute magnitude · H8.4100
Diameter106.976000 km
Albedo0.065000
Last catalogue sync2026-09-11 01:40:09
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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Images of this object
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