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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .468502959366607 5.0052e-07  
a .9894849330301888 1.2331e-08 AU
q .5259083136568764 5.0173e-07 AU
i 9.917143371434703 1.0678e-05 deg
node 152.4540380690896 5.3602e-05 deg
peri 55.03962583465668 4.4543e-05 deg
M 154.9472917529064 0.00011981 deg
tp 2456645.763170437028
(2013-Dec-19.26317044)
0.00011679 JED
period 359.5110183113279
0.98
6.7205e-06
1.84e-08
d
yr
n 1.001360129909144 1.8719e-08 deg/d
Q 1.453061552403501 1.8108e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7394 days (20.24 yr)  
   first obs. used      1984-08-30  
   last obs. used      2004-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70894  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:50:48  

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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