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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2928190981936145 6.0488e-08  
a 2.401700658849001 1.7846e-08 au
q 1.698436837793826 1.4307e-07 au
i 23.14858634938346 9.0664e-06 deg
node 126.6956799252692 1.4526e-05 deg
peri 240.3709832241062 2.1492e-05 deg
M 190.4158294779932 2.1594e-05 deg
tp 2458040.912136129822
(2017-Oct-14.41213613)
8.7124e-05 JED
period 1359.492270399246
3.72
1.5153e-05
4.149e-08
d
yr
n .2648047420632099 2.9515e-09 deg/d
Q 3.104964479904175 2.3072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      14091 days (38.58 yr)  
   first obs. used      1976-08-24  
   last obs. used      2015-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5178  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:18:07  

Additional Information
 Earth MOID = .785502 au 
 Jupiter MOID = 2.55434 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 14.8 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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