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39642 (1995 KO1)
Classification: Main-belt Asteroid          SPK-ID: 2039642
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931687101526394 6.067e-08  
a 2.301722850914481 1.0091e-08 au
q 1.857102016674475 1.405e-07 au
i 24.556103430715 5.7709e-06 deg
node 119.7377808817873 1.3006e-05 deg
peri 151.7424213519805 1.8014e-05 deg
M 42.55604582438508 1.4452e-05 deg
tp 2458849.722430633448
(2020-Jan-01.22243063)
5.0698e-05 TDB
period 1275.492680780403
3.49
8.3881e-06
2.297e-08
d
yr
n .2822438775420774 1.8561e-09 deg/d
Q 2.746343685154488 1.2041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      14809 days (40.54 yr)  
   first obs. used      1978-10-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:10:34  

Additional Information
 Earth MOID = .861093 au 
 Jupiter MOID = 2.50282 au 
 T_jup = 3.448 
[ 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 15.2   n/a MPO385069  
diameter diameter 2.607 km 0.668 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.277   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

39642 (1995 KO1)          Discovered 1995-May-26 by Hergenrother, C. W. at Catalina Station
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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