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6448 (1991 CW)
Classification: Main-belt Asteroid          SPK-ID: 2006448
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160419764002418 5.0415e-08  
a 2.262117015614787 1.1327e-08 AU
q 1.899228737824009 1.1666e-07 AU
i 4.932334634224273 5.5531e-06 deg
node 117.9792474669267 6.3605e-05 deg
peri 308.4590753547377 6.6821e-05 deg
M 4.854377095365744 2.075e-05 deg
tp 2456783.742777514095
(2014-May-06.24277751)
7.1581e-05 JED
period 1242.713529751304
3.40
9.334e-06
2.556e-08
d
yr
n .2896886461613116 2.1758e-09 deg/d
Q 2.625005293405565 1.3144e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      16153 days (44.22 yr)  
   first obs. used      1969-10-09  
   last obs. used      2013-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49956  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:22:48  

Additional Information
 Earth MOID = .916846 AU 
 T_jup = 3.597 
[ 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 13.8 mag n/a MPO267734  

6448 (1991 CW)          Discovered 1991-Feb-08 by Suzuki, K., Urata, T. at Toyota
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 CW = 1969 TL3 = 1986 VN9 = 1993 VX4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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