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JPL Small-Body Database Browser
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20712 (1999 XF13)
Classification: Main-belt Asteroid          SPK-ID: 2020712
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054812676008893 3.9775e-08  
a 2.600525845160244 1.3501e-08 au
q 2.326219082583868 1.0059e-07 au
i 14.21855147433896 4.6349e-06 deg
node 82.88121559496959 1.7286e-05 deg
peri 90.65967139209681 2.8373e-05 deg
M 119.0922216147365 2.2971e-05 deg
tp 2458093.776454769981
(2017-Dec-06.27645477)
9.6812e-05 TDB
period 1531.758109886785
4.19
1.1929e-05
3.266e-08
d
yr
n .2350240535214847 1.8303e-09 deg/d
Q 2.87483260773662 1.4926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1657  
   data-arc span      17362 days (47.53 yr)  
   first obs. used      1972-05-12  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4165  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:09:11  

Additional Information
 Earth MOID = 1.38317 au 
 Jupiter MOID = 2.24325 au 
 T_jup = 3.364 
[ 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 13.1   n/a MPO449104  
diameter diameter 5.923 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20712 (1999 XF13)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XF13 = 1972 JG1 = 1980 FR11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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