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13522 (1991 FG)
Classification: Main-belt Asteroid          SPK-ID: 2013522
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3396171687757295 6.0198e-08  
a 2.756030880196774 1.4939e-08 AU
q 1.820035475605864 1.637e-07 AU
i 13.56114117704427 7.5811e-06 deg
node 204.3029753131346 2.3645e-05 deg
peri 325.8399342335399 2.642e-05 deg
M 74.33720636040792 1.0561e-05 deg
tp 2456655.413252575586
(2013-Dec-28.91325258)
4.8446e-05 JED
period 1671.185065396198
4.58
1.3588e-05
3.72e-08
d
yr
n .2154159987748889 1.7515e-09 deg/d
Q 3.692026284787683 2.0012e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      9861 days (27.00 yr)  
   first obs. used      1987-07-31  
   last obs. used      2014-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57732  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:22:38  

Additional Information
 Earth MOID = .841276 AU 
 T_jup = 3.219 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO302149  

13522 (1991 FG)          Discovered 1991-Mar-18 by McNaught, R. H. at Siding Spring (413)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

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