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2004 MN4
URI:
https://gptkb.org/entity/2004_MN4
GPTKB entity
Statements (34)
Predicate
Object
gptkbp:instanceOf
gptkb:asteroid
gptkbp:albedo
0.33
gptkbp:alsoKnownAs
gptkb:Apophis
gptkbp:aphelion
1.099 AU
gptkbp:apparentMagnitude
19.7
gptkbp:catalogueNumber
99942
gptkbp:closeApproachDate
2029-04-13
gptkbp:diameter
~340 meters
gptkbp:discoveredBy
gptkb:David_J._Tholen
gptkb:Fabrizio_Bernardi
gptkb:Roy_A._Tucker
gptkbp:discoveredIn
2004-06-19
gptkbp:distanceFromEarth
~31,600 km (2029)
gptkbp:eccentricity
0.191
https://www.w3.org/2000/01/rdf-schema#label
2004 MN4
gptkbp:inclination
3.331°
gptkbp:minorPlanetNumber
gptkb:99942_Apophis
gptkbp:MOID
0.000254 AU (Earth)
gptkbp:namedAfter
gptkb:Apophis_(Egyptian_deity)
gptkbp:observedBy
gptkb:Arecibo_Observatory
gptkb:Goldstone_Deep_Space_Communications_Complex
gptkbp:orbitType
gptkb:Aten_asteroid
323.6 days
gptkbp:parentBody
Sun
gptkbp:perihelion
0.746 AU
gptkbp:potentiallyHazardous
true
gptkbp:removedFromRiskList
2006
gptkbp:riskListed
2004-2006
gptkbp:rotationPeriod
30.56 hours
gptkbp:semiMajorAxis
0.922 AU
gptkbp:spectralType
Sq
gptkbp:bfsParent
gptkb:99942_Apophis
gptkb:Apophis
gptkbp:bfsLayer
6