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437385 (2013 WH39)
Classification: Main-belt Asteroid          SPK-ID: 2437385
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196954862644849 7.8502e-08  
a 3.00831417149589 5.5582e-08 au
q 2.648232543902348 2.4644e-07 au
i 12.16485259189401 8.373e-06 deg
node 53.82055036283518 3.247e-05 deg
peri 343.1600851060464 4.4808e-05 deg
M 114.2198864692533 2.789e-05 deg
tp 2458395.824413363221
(2018-Oct-04.32441336)
0.00015096 TDB
period 1905.825841000448
5.22
5.2818e-05
1.446e-07
d
yr
n .1888944898611622 5.235e-09 deg/d
Q 3.368395799089432 6.2235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      2000-03-15  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5014  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:41:07  

Additional Information
 Earth MOID = 1.6588 au 
 Jupiter MOID = 2.04518 au 
 T_jup = 3.206 
[ 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 15.8   n/a MPO472426  

437385 (2013 WH39)          Discovered 2011-May-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 WH39 = 2013 SD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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