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JPL Small-Body Database Browser
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39122 (2000 WL42)
Classification: Main-belt Asteroid          SPK-ID: 2039122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174192169863972 4.3769e-08  
a 2.693450878010834 1.5357e-08 au
q 2.377187984923478 1.2357e-07 au
i 2.752845920721321 4.5382e-06 deg
node 196.5620022568618 8.8863e-05 deg
peri 172.5179710854743 9.0577e-05 deg
M 98.27769167747864 1.7573e-05 deg
tp 2458159.727528629346
(2018-Feb-10.22752863)
7.8208e-05 TDB
period 1614.589099367279
4.42
1.3809e-05
3.781e-08
d
yr
n .2229669456712398 1.9069e-09 deg/d
Q 3.00971377109819 1.7161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      899  
   data-arc span      14708 days (40.27 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:08  

Additional Information
 Earth MOID = 1.37558 au 
 Jupiter MOID = 2.45165 au 
 T_jup = 3.359 
[ 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 MPO279912  
diameter diameter 3.067 km 0.780 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39122 (2000 WL42)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WL42 = 1978 WC11 = 1998 FJ142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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