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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3395587224845565 6.049e-08  
a 2.755571415120296 1.5019e-08 AU
q 1.819893105687087 1.6459e-07 AU
i 13.56193512068693 7.7554e-06 deg
node 204.3086403401074 2.3733e-05 deg
peri 325.8136313107618 2.6514e-05 deg
M 31.27265869657548 1.0496e-05 deg
tp 2456655.362968020376
(2013-Dec-28.86296802)
4.8485e-05 JED
period 1670.767171400946
4.57
1.3659e-05
3.74e-08
d
yr
n .2154698788450209 1.7616e-09 deg/d
Q 3.691249724553505 2.0119e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      9801 days (26.83 yr)  
   first obs. used      1987-07-31  
   last obs. used      2014-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58395  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:52:09  

Additional Information
 Earth MOID = .840543 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 14.0 mag n/a MPO256964  

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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