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JPL Small-Body Database Browser
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447312 (2005 WF177)
Classification: Main-belt Asteroid          SPK-ID: 2447312
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446277128213778 7.652e-08  
a 2.280511769777758 2.8159e-08 au
q 1.950686568452569 1.8303e-07 au
i 2.398114264225119 9.4429e-06 deg
node 28.57912747795122 0.00020941 deg
peri 46.82439830482744 0.00021544 deg
M 330.2552459825815 5.0761e-05 deg
tp 2458704.433316271662
(2019-Aug-08.93331627)
0.0001786 TDB
period 1257.902278697193
3.44
2.3298e-05
6.379e-08
d
yr
n .2861907527291002 5.3006e-09 deg/d
Q 2.610336971102948 3.2231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      4633 days (12.68 yr)  
   first obs. used      2005-11-30  
   last obs. used      2018-08-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:38:25  

Additional Information
 Earth MOID = .966502 au 
 Jupiter MOID = 2.62813 au 
 T_jup = 3.591 
[ 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 18.4   n/a MPO456119  

447312 (2005 WF177)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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