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227446 (2005 WF47)
Classification: Main-belt Asteroid          SPK-ID: 2227446
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04174868770340758 6.4823e-08  
a 2.645249165600998 2.0989e-08 au
q 2.534813484288622 1.8035e-07 au
i 1.637872222337584 5.2937e-06 deg
node 287.5614145141775 0.00022792 deg
peri 54.93347812822756 0.00023617 deg
M 264.1259283831172 6.2637e-05 deg
tp 2459619.001459349414
(2022-Feb-08.50145935)
0.00027386 TDB
period 1571.441817635904
4.30
1.8703e-05
5.121e-08
d
yr
n .2290889780072089 2.7266e-09 deg/d
Q 2.755684846913374 2.1865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      10031 days (27.46 yr)  
   first obs. used      1992-11-28  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:48  

Additional Information
 Earth MOID = 1.52459 au 
 Jupiter MOID = 2.40098 au 
 T_jup = 3.391 
[ 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 17.00   n/a E2021B55  

227446 (2005 WF47)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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