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309706 Avila (2008 GP)
Classification: Main-belt Asteroid          SPK-ID: 2309706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584970028397355 6.7009e-08  
a 3.173755331652373 5.0352e-08 au
q 2.670724623838841 2.3004e-07 au
i 20.23275490022558 7.4526e-06 deg
node 81.83296381622404 1.82e-05 deg
peri 137.7311223472116 2.9321e-05 deg
M 79.73112683413149 2.1032e-05 deg
tp 2458743.112814120154
(2019-Sep-16.61281412)
0.00011754 TDB
period 2065.183240910333
5.65
4.9147e-05
1.346e-07
d
yr
n .1743186720038034 4.1484e-09 deg/d
Q 3.676786039465905 5.8333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      255  
   data-arc span      6276 days (17.18 yr)  
   first obs. used      2002-04-09  
   last obs. used      2019-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50777  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:12:15  

Additional Information
 Earth MOID = 1.6909 au 
 Jupiter MOID = 1.47965 au 
 T_jup = 3.087 
[ 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 15.1   n/a MPO476386  
diameter diameter 7.450 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

309706 Avila           Discovered 2008 Apr. 3 by J. Lacruz at La Canada.
Avila de los caballeros, is the capital of the province of Avila in Spain. Sometimes called the Town of Stones and Saints, it is notable for its complete and prominent medieval town walls.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-06-02Last Updated: 2015-06-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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