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7055 (1989 KB)
Classification: Main-belt Asteroid          SPK-ID: 2007055
[ 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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449418136295227 7.4505e-08  
a 2.348667811469246 1.8958e-08 AU
q 1.773380858114687 1.7418e-07 AU
i 23.07340533335512 8.2247e-06 deg
node 80.01534366378692 1.8627e-05 deg
peri 241.5261288566756 2.4289e-05 deg
M 175.7880516396918 2.1992e-05 deg
tp 2455758.525655596362
(2011-Jul-16.02565560)		 7.7157e-05 JED
period 1314.712586148981
3.60		 1.5918e-05
4.358e-08		 d
yr
n .2738241071035167 3.3153e-09 deg/d
Q 2.923954764823805 2.3601e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      13790 days (37.75 yr)  
   first obs. used      1975-07-16  
   last obs. used      2013-04-17  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .53213  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:24:46  

Additional Information
 Earth MOID = .851972 AU 
 T_jup = 3.414 
[ 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 12.9 mag n/a PDS3 (MPC 27437)  
rotation period rot_per 4.16845 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List:
[Stephens, R.D. (2007) Minor Planet Bul. 34, 102-103.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]

7055 (1989 KB)          Discovered 1989-May-31 by Holt, H. E. at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1989 KB = 1979 YB4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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