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JPL Small-Body Database Browser
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305212 (2007 WS39)
Classification: Main-belt Asteroid          SPK-ID: 2305212
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06169352386759619 4.1316e-08  
a 2.630625901958727 2.705e-08 au
q 2.468333320089519 1.1235e-07 au
i 13.07583992506845 5.9032e-06 deg
node 76.78485083028546 2.7803e-05 deg
peri 212.5901993516163 7.2302e-05 deg
M 1.943637870242512 6.4278e-05 deg
tp 2458592.086050202104
(2019-Apr-18.58605020)
0.00027828 TDB
period 1558.429156797909
4.27
2.4038e-05
6.581e-08
d
yr
n .2310018382482582 3.563e-09 deg/d
Q 2.792918483827934 2.8719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62295  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:26  

Additional Information
 Earth MOID = 1.45999 au 
 Jupiter MOID = 2.30466 au 
 T_jup = 3.361 
[ 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 16.0   n/a MPO433966  

305212 (2007 WS39)          Discovered 2007-Nov-17 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2007 WS39 = 2005 GP63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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