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8654 (1990 KC1)
Classification: Main-belt Asteroid          SPK-ID: 2008654
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09023012751786884 1.1983e-07  
a 2.568365653609811 2.2914e-08 AU
q 2.336621693172083 3.1876e-07 AU
i 14.45541869538618 8.5483e-06 deg
node 111.0785889200486 3.2219e-05 deg
peri 57.50511636930563 5.6023e-05 deg
M 355.6270482751198 4.1769e-05 deg
tp 2456818.762317517939
(2014-Jun-10.26231752)
0.00017445 JED
period 1503.431713881604
4.12
2.012e-05
5.509e-08
d
yr
n .239452179088694 3.2044e-09 deg/d
Q 2.800109614047538 2.4981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      21841 days (59.80 yr)  
   first obs. used      1954-08-27  
   last obs. used      2014-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:19:56  

Additional Information
 Earth MOID = 1.37834 AU 
 T_jup = 3.381 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO279606  

8654 (1990 KC1)          Discovered 1990-May-20 by McNaught, R. H. at Siding Spring (413)
Reference: 19980511/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 KC1 = 1977 CE3 = 1984 YK5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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