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39136 (2000 WC61)
Classification: Main-belt Asteroid          SPK-ID: 2039136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1277537571821794 4.9131e-08  
a 2.724513127793785 1.8217e-08 au
q 2.376446339225958 1.4116e-07 au
i 4.506472400054493 4.9417e-06 deg
node 120.1231632059104 6.0582e-05 deg
peri 260.1252133849846 6.363e-05 deg
M 172.4912026337656 2.2018e-05 deg
tp 2458213.461036004789
(2018-Apr-04.96103600)
9.6322e-05 TDB
period 1642.599870092229
4.50
1.6474e-05
4.51e-08
d
yr
n .2191647561616978 2.1981e-09 deg/d
Q 3.072579916361612 2.0544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      9903 days (27.11 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:40:29  

Additional Information
 Earth MOID = 1.38389 au 
 Jupiter MOID = 2.39524 au 
 T_jup = 3.341 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO426176  
diameter diameter 5.797 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39136 (2000 WC61)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 WC61 = 1993 FA81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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