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JPL Small-Body Database Browser
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447899 (2007 WF61)
Classification: Main-belt Asteroid          SPK-ID: 2447899
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133894195805331 6.1743e-08  
a 2.620731063954048 5.5078e-08 au
q 2.269830385723872 1.6022e-07 au
i 13.75009335644356 6.6956e-06 deg
node 70.03515126915427 4.438e-05 deg
peri 349.5321867136726 8.0789e-05 deg
M 249.7366608976381 7.3012e-05 deg
tp 2459075.136082613123
(2020-Aug-13.63608261)
0.00032617 TDB
period 1549.644615624234
4.24
4.8852e-05
1.337e-07
d
yr
n .2323113289139416 7.3235e-09 deg/d
Q 2.971631742184225 6.2453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4244 days (11.62 yr)  
   first obs. used      2007-11-20  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59735  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:38  

Additional Information
 Earth MOID = 1.28384 au 
 Jupiter MOID = 2.35755 au 
 T_jup = 3.352 
[ 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 16.9   n/a MPO437741  

447899 (2007 WF61)          Discovered 2007-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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