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JPL Small-Body Database Browser
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13960 (1991 GF8)
Classification: Main-belt Asteroid          SPK-ID: 2013960
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174197671026768 4.1371e-08  
a 2.775164867811887 1.4417e-08 au
q 2.449305655361884 1.1445e-07 au
i 9.081953052960106 4.7819e-06 deg
node 7.847000705177263 2.8354e-05 deg
peri 105.9007819684634 3.5999e-05 deg
M 104.5466831231473 2.0241e-05 deg
tp 2458110.112526148018
(2017-Dec-22.61252615)
9.5178e-05 TDB
period 1688.618761618334
4.62
1.3159e-05
3.603e-08
d
yr
n .2131919934698488 1.6613e-09 deg/d
Q 3.10102408026189 1.611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1450  
   data-arc span      10257 days (28.08 yr)  
   first obs. used      1991-04-08  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:45  

Additional Information
 Earth MOID = 1.48455 au 
 Jupiter MOID = 2.01628 au 
 T_jup = 3.307 
[ 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 13.7   n/a MPO344416  

13960 (1991 GF8)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 GF8 = 1999 AF23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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