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JPL Small-Body Database Browser
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447309 (2005 WS161)
Classification: Main-belt Asteroid          SPK-ID: 2447309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .0396995678497986 9.944e-08  
a 3.154296104801467 5.3437e-08 au
q 3.029071912570546 3.2054e-07 au
i 10.73485569454879 9.8023e-06 deg
node 70.03812805227219 3.7267e-05 deg
peri 127.3012742159796 9.5264e-05 deg
M 11.98723990207515 8.5175e-05 deg
tp 2458532.365227120931
(2019-Feb-17.86522712)
0.00048471 TDB
period 2046.219015957019
5.60
5.1997e-05
1.424e-07
d
yr
n .1759342461352445 4.4707e-09 deg/d
Q 3.279520297032389 5.5558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      4942 days (13.53 yr)  
   first obs. used      2005-10-29  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63296  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:16:01  

Additional Information
 Earth MOID = 2.03682 au 
 Jupiter MOID = 1.73499 au 
 T_jup = 3.178 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO437740  

447309 (2005 WS161)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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