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469902 (2005 WF99)
Classification: Main-belt Asteroid          SPK-ID: 2469902
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733712913021645 1.0952e-07  
a 2.447889410797 2.7932e-08 au
q 2.023495662682229 2.8586e-07 au
i 7.717458191539635 7.486e-06 deg
node 80.44376061085032 6.4504e-05 deg
peri 310.5150622748442 7.2635e-05 deg
M 313.1536283316929 3.9233e-05 deg
tp 2459182.536960843174
(2020-Nov-29.03696084)
0.00015495 TDB
period 1398.898219216364
3.83
2.3943e-05
6.555e-08
d
yr
n .2573453844280859 4.4047e-09 deg/d
Q 2.87228315891177 3.2774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6437 days (17.62 yr)  
   first obs. used      2001-10-17  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61243  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:47  

Additional Information
 Earth MOID = 1.03967 au 
 Jupiter MOID = 2.57146 au 
 T_jup = 3.464 
[ 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 17.6   n/a MPO434692  

469902 (2005 WF99)          Discovered 2005-Nov-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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