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227461 (2005 WF113)
Classification: Main-belt Asteroid          SPK-ID: 2227461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374467024382262 3.6048e-08  
a 2.57234055726442 1.9589e-08 au
q 2.218780830120316 9.6974e-08 au
i 9.593084074286484 6.8842e-06 deg
node 182.9232521106468 3.0776e-05 deg
peri 124.0631947714015 4.2748e-05 deg
M 337.6644812800279 2.9352e-05 deg
tp 2459293.994199350855
(2021-Mar-20.49419935)
0.0001229 TDB
period 1506.923218945052
4.13
1.7214e-05
4.713e-08
d
yr
n .2388973741157325 2.729e-09 deg/d
Q 2.925900284408524 2.2282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6053  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:42  

Additional Information
 Earth MOID = 1.21934 au 
 Jupiter MOID = 2.38071 au 
 T_jup = 3.396 
[ 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 16.12   n/a E2021B55  

227461 (2005 WF113)          Discovered 2005-Nov-25 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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