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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4685030607482228 3.8967e-07  
a .9894849322598689 9.4166e-09 AU
q .5259082129318724 3.9048e-07 AU
i 9.917141877749682 9.5081e-06 deg
node 152.4540328267928 4.3986e-05 deg
peri 55.03962658627788 3.9003e-05 deg
M 154.9473125371937 9.5511e-05 deg
tp 2456645.763149861667
(2013-Dec-19.26314986)
9.322e-05 JED
period 359.5110178915057
0.98
5.132e-06
1.405e-08
d
yr
n 1.001360131078491 1.4294e-08 deg/d
Q 1.453061651587865 1.3828e-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.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .72412  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:18:02  

Additional Information
 Earth MOID = .0131882 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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