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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3396171694872898 5.9959e-08  
a 2.756030880578704 1.4914e-08 AU
q 1.820035473897002 1.6298e-07 AU
i 13.56114141918404 7.336e-06 deg
node 204.3029744964789 2.3383e-05 deg
peri 325.8399358737014 2.5951e-05 deg
M 74.33720555206561 1.0325e-05 deg
tp 2456655.413256256324
(2013-Dec-28.91325626)
4.7303e-05 JED
period 1671.185065743587
4.58
1.3565e-05
3.714e-08
d
yr
n .2154159987301104 1.7486e-09 deg/d
Q 3.692026287260406 1.9979e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      10191 days (27.90 yr)  
   first obs. used      1987-07-31  
   last obs. used      2015-06-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5692  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:12:12  

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
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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