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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177355479518573 4.3761e-08  
a 2.692532576679036 1.4949e-08 au
q 2.375525778385504 1.2334e-07 au
i 2.753266341420678 4.5385e-06 deg
node 196.5546668237583 8.6951e-05 deg
peri 172.4165944201107 8.8574e-05 deg
M 187.5985113793162 1.7408e-05 deg
tp 2459773.320061457309
(2022-Jul-12.82006146)
8.0045e-05 TDB
period 1613.763456165729
4.42
1.344e-05
3.68e-08
d
yr
n .223081021338377 1.8578e-09 deg/d
Q 3.009539374972569 1.6709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      15041 days (41.18 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53435  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:06:26  

Additional Information
 Earth MOID = 1.37474 au 
 Jupiter MOID = 2.45524 au 
 T_jup = 3.360 
[ 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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