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447665 (2006 WR94)
Classification: Main-belt Asteroid          SPK-ID: 2447665
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858166407467114 8.9956e-08  
a 2.767546886333502 3.2339e-08 au
q 2.25329062080599 2.6139e-07 au
i 1.899072947004696 9.9456e-06 deg
node 169.9772951927653 0.00023207 deg
peri 253.6770099991067 0.00024437 deg
M 332.6261929962258 5.757e-05 deg
tp 2459128.371455298827
(2020-Oct-05.87145530)
0.00026962 TDB
period 1681.670507183404
4.60
2.9475e-05
8.07e-08
d
yr
n .2140728510503265 3.7521e-09 deg/d
Q 3.281803151861014 3.8348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5606 days (15.35 yr)  
   first obs. used      2001-09-23  
   last obs. used      2017-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66129  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:37:14  

Additional Information
 Earth MOID = 1.26747 au 
 Jupiter MOID = 2.04313 au 
 T_jup = 3.313 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456693.5 (2014-Feb-05.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842474863753075 9.2971e-08  
q 2.259514584082734 2.7088e-07 au
tp 2457437.854325210230
(2016-Feb-19.35432521)
0.00026968 TDB
node 170.1033690764141 0.00023197 deg
peri 252.3383020552432 0.00024474 deg
i 1.898289764514576 9.9626e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5606 days (15.35 yr)  
   first obs. used      2001-09-23  
   last obs. used      2017-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66129  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:37:14  

Additional Information
 Jupiter MOID = 2.04313 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.64361526483402E-15 -2.508607907383497E-14 -1.555457859313113E-11 2.934337785555993E-13 -4.280495951839195E-12 -8.702742147884013E-15
q -2.508607907383497E-14 7.337550065427446E-14 4.536026543630665E-11 -8.557546472828102E-13 1.240891907345242E-11 2.561665473873388E-14
tp -1.555457859313113E-11 4.536026543630665E-11 7.272778096675838E-8 -1.203212235340389E-9 2.109106198208119E-8 1.200636166362931E-11
node 2.934337785555993E-13 -8.557546472828102E-13 -1.203212235340389E-9 5.380955582012226E-8 -5.410672713235913E-8 1.084073487300301E-9
peri -4.280495951839195E-12 1.240891907345242E-11 2.109106198208119E-8 -5.410672713235913E-8 5.989646245244264E-8 -1.080598115580086E-9
i -8.702742147884013E-15 2.561665473873388E-14 1.200636166362931E-11 1.084073487300301E-9 -1.080598115580086E-9 9.925292658230041E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.9   n/a MPO361041  

447665 (2006 WR94)          Discovered 2006-Nov-19 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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