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308147 (2005 AU20)
Classification: Main-belt Asteroid          SPK-ID: 2308147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313281474675439 5.9393e-08  
a 2.384292426083555 1.392e-08 au
q 2.071167718745107 1.4201e-07 au
i 3.503092582389304 4.5614e-06 deg
node 258.5530065593588 9.5628e-05 deg
peri 286.1437314640501 9.7924e-05 deg
M 10.75308239938383 1.8249e-05 deg
tp 2458960.333112614074
(2020-Apr-20.83311261)
6.8235e-05 TDB
period 1344.7380873564
3.68
1.1776e-05
3.224e-08
d
yr
n .2677101239154446 2.3444e-09 deg/d
Q 2.697417133422004 1.5748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-03-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:10:53  

Additional Information
 Earth MOID = 1.07612 au 
 Jupiter MOID = 2.27775 au 
 T_jup = 3.522 
[ 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 16.9   n/a MPO460276  

308147 (2005 AU20)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 AU20 = 2007 TL270 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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