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180558 (2004 EF47)
Classification: Main-belt Asteroid          SPK-ID: 2180558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188191393487921 4.0709e-08  
a 2.586516579538424 1.4997e-08 au
q 2.020537247692445 1.0743e-07 au
i 2.875483755906125 6.4526e-06 deg
node 146.0913413816539 8.0107e-05 deg
peri 237.8901645566731 8.2668e-05 deg
M 146.9191724218998 2.0027e-05 deg
tp 2458580.420606184801
(2019-Apr-06.92060618)
8.0771e-05 TDB
period 1519.397217487981
4.16
1.3215e-05
3.618e-08
d
yr
n .2369360663929529 2.0607e-09 deg/d
Q 3.152495911384404 1.8279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2002-10-30  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:00  

Additional Information
 Earth MOID = 1.02457 au 
 Jupiter MOID = 2.30561 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456997.5 (2014-Dec-06.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2174139509903036 4.1218e-08  
q 2.024817106163177 1.0915e-07 au
tp 2457055.712382564507
(2015-Feb-02.21238256)
7.3257e-05 TDB
node 146.1780420411413 7.9894e-05 deg
peri 237.0538717131661 8.2518e-05 deg
i 2.876321188435117 6.4648e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2002-10-30  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:00  

Additional Information
 Jupiter MOID = 2.30561 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.698908365915346E-15 -4.471991569518946E-15 -1.37419758655533E-12 2.918543437545763E-14 -4.034198470227754E-13 -1.443958749405386E-15
q -4.471991569518946E-15 1.191468786815379E-14 4.098914505344586E-12 -8.293240939481455E-14 1.190421894571809E-12 3.784266718217174E-15
tp -1.37419758655533E-12 4.098914505344586E-12 5.366515501914835E-9 -6.849560518205842E-11 1.52201145517207E-9 1.065489941630388E-12
node 2.918543437545763E-14 -8.293240939481455E-14 -6.849560518205842E-11 6.383003575594962E-9 -6.392931389483191E-9 -3.103042609603205E-12
peri -4.034198470227754E-13 1.190421894571809E-12 1.52201145517207E-9 -6.392931389483191E-9 6.809216149026735E-9 3.394237345017212E-12
i -1.443958749405386E-15 3.784266718217174E-15 1.065489941630388E-12 -3.103042609603205E-12 3.394237345017212E-12 4.179395738659675E-11

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 16.93   n/a E2021B55  

180558 (2004 EF47)          Discovered 2004-Mar-15 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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