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13539 (1991 TY)
Classification: Main-belt Asteroid          SPK-ID: 2013539
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2916442286821643 6.0456e-08  
a 2.402752929636062 1.7604e-08 AU
q 1.702003904758542 1.43e-07 AU
i 23.16334141964485 9.0865e-06 deg
node 126.7270784570865 1.4689e-05 deg
peri 240.2843929560821 2.1701e-05 deg
M 84.70914421154146 2.0819e-05 deg
tp 2456680.396890070100
(2014-Jan-22.89689007)
7.6102e-05 JED
period 1360.38583139249
3.72
1.4951e-05
4.093e-08
d
yr
n .2646308067112875 2.9083e-09 deg/d
Q 3.103501954513582 2.2738e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      14066 days (38.51 yr)  
   first obs. used      1976-08-24  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54594  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:35:16  

Additional Information
 Earth MOID = .790866 AU 
 T_jup = 3.361 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7 mag n/a MPO263470  

13539 (1991 TY)          Discovered 1991-Oct-02 by McNaught, R. H. at Siding Spring
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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