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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0901062741633518 1.1994e-07  
a 2.568094769999876 2.2594e-08 AU
q 2.336693318576797 3.1875e-07 AU
i 14.45533437698885 8.5478e-06 deg
node 111.0775256482592 3.2215e-05 deg
peri 57.5436690276487 5.6067e-05 deg
M 43.4941214552264 4.1881e-05 deg
tp 2456818.888619960200
(2014-Jun-10.38861996)
0.00017466 JED
period 1503.193871420797
4.12
1.9838e-05
5.431e-08
d
yr
n .2394900663476849 3.1605e-09 deg/d
Q 2.799496221422955 2.463e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      813  
   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      .51607  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:13:03  

Additional Information
 Earth MOID = 1.37879 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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