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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195301209857013 1.0074e-07  
a 3.009140767923424 6.9585e-08 au
q 2.649457807870531 3.3503e-07 au
i 12.16541073814007 1.0271e-05 deg
node 53.83030636021297 3.2669e-05 deg
peri 343.3027581716537 4.8814e-05 deg
M 38.54735448720663 3.1307e-05 deg
tp 2458396.347707738411
(2018-Oct-04.84770774)
0.00016885 TDB
period 1906.611392451431
5.22
6.6135e-05
1.811e-07
d
yr
n .1888166626011444 6.5495e-09 deg/d
Q 3.368823727976317 7.7903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6867 days (18.80 yr)  
   first obs. used      2000-03-15  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:21  

Additional Information
 Earth MOID = 1.65944 au 
 Jupiter MOID = 2.04274 au 
 T_jup = 3.205 
[ 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 15.7   n/a MPO419194  

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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