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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09010627043767364 1.1667e-07  
a 2.568094770593431 2.2192e-08 AU
q 2.336693328684764 3.0976e-07 AU
i 14.45533422780578 8.5015e-06 deg
node 111.0775264660461 3.1942e-05 deg
peri 57.54366780312579 5.5767e-05 deg
M 43.49412150658097 4.1838e-05 deg
tp 2456818.888619682804
(2014-Jun-10.38861968)
0.00017447 JED
period 1503.19387194194
4.12
1.9484e-05
5.334e-08
d
yr
n .239490066264656 3.1042e-09 deg/d
Q 2.799496212502098 2.4191e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      22188 days (60.75 yr)  
   first obs. used      1954-08-27  
   last obs. used      2015-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51436  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:02:32  

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
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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