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3362 Khufu (1984 QA)
Classification: Aten [NEO, PHA]          SPK-ID: 2003362
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .468549512916385 3.9182e-07  
a .9894366115822131 9.4369e-09 AU
q .5258365691637287 3.926e-07 AU
i 9.917118388720422 9.8996e-06 deg
node 152.4594086141884 4.4224e-05 deg
peri 55.0392765224873 3.923e-05 deg
M 114.3903457655028 9.041e-05 deg
tp 2456286.273396522358
(2012-Dec-24.77339652)		 8.8687e-05 JED
period 359.4846835785365
0.98		 5.1429e-06
1.408e-08		 d
yr
n 1.001433486446025 1.4327e-08 deg/d
Q 1.453036654000697 1.3858e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7393 days (20.24 yr)  
   first obs. used      1984-08-31  
   last obs. used      2004-11-27  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .6644  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 15:37:32  

Additional Information
 Earth MOID = .0134529 AU 
 T_jup = 6.018 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3 mag n/a PDS3 (MPC 28110)  
diameter diameter 0.7 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
geometric albedo albedo 0.21   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  

3362 Khufu (1984 QA)          Discovered 1984-Aug-30 by Dunbar, R. S. and Barucci, M. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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