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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2931986830025969 5.8385e-08  
a 2.400953945088156 1.7601e-08 au
q 1.696997410438419 1.3819e-07 au
i 23.14741468030812 8.3155e-06 deg
node 126.6785071713511 1.4154e-05 deg
peri 240.412203613607 2.0816e-05 deg
M 243.3710588427141 2.1899e-05 deg
tp 2458040.728346166766
(2017-Oct-14.22834617)
8.6582e-05 JED
period 1358.858299213284
3.72
1.4943e-05
4.091e-08
d
yr
n .2649282859062077 2.9133e-09 deg/d
Q 3.104910479737893 2.2762e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      14483 days (39.65 yr)  
   first obs. used      1976-08-24  
   last obs. used      2016-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52886  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:16:47  

Additional Information
 Earth MOID = .785285 au 
 Jupiter MOID = 2.55545 au 
 T_jup = 3.362 
[ 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 14.8 mag n/a MPO337373  

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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