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JPL Small-Body Database Browser
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108474 (2001 KN57)
Classification: Main-belt Asteroid          SPK-ID: 2108474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095952819423279 4.5862e-08  
a 2.702591306384251 2.1882e-08 au
q 2.406400050186185 1.294e-07 au
i 12.34553370790425 6.1431e-06 deg
node 140.2262443562804 2.3124e-05 deg
peri 83.56935018726779 3.6647e-05 deg
M 118.5361718998659 2.9425e-05 deg
tp 2458466.160368159059
(2018-Dec-13.66036816)
0.00013075 TDB
period 1622.814912778168
4.44
1.971e-05
5.396e-08
d
yr
n .2218367585639821 2.6943e-09 deg/d
Q 2.998782562582317 2.4281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1997-07-27  
   last obs. used      2018-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:47:48  

Additional Information
 Earth MOID = 1.43687 au 
 Jupiter MOID = 2.08411 au 
 T_jup = 3.325 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO400978  

108474 (2001 KN57)          Discovered 2001-May-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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