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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09010408399881693 9.2027e-08  
a 2.568785679184243 1.9478e-08 au
q 2.337327598572068 2.4167e-07 au
i 14.4542038999157 8.2011e-06 deg
node 111.0780539647429 2.9993e-05 deg
peri 57.72179973937373 5.3836e-05 deg
M 139.0878884485517 4.187e-05 deg
tp 2456819.498776201600
(2014-Jun-10.99877620)
0.00017373 JED
period 1503.800531451679
4.12
1.7104e-05
4.683e-08
d
yr
n .2393934517714777 2.7229e-09 deg/d
Q 2.800243759796418 2.1233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      862  
   data-arc span      22267 days (60.96 yr)  
   first obs. used      1954-08-27  
   last obs. used      2015-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50468  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:25:25  

Additional Information
 Earth MOID = 1.37904 au 
 Jupiter MOID = 2.29043 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
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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