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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2935923033958555 3.8716e-08  
a 2.400599839368224 8.2518e-09 au
q 1.695802202996387 9.4261e-08 au
i 23.15142734780093 3.8532e-06 deg
node 126.6702325087354 1.0423e-05 deg
peri 240.3129603727476 1.1446e-05 deg
M 254.4703117466891 6.3596e-06 deg
tp 2459398.744916039836
(2021-Jul-03.24491604)
2.497e-05 TDB
period 1358.55769260119
3.72
7.0049e-06
1.918e-08
d
yr
n .2649869063055532 1.3663e-09 deg/d
Q 3.105397475740062 1.0675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      16066 days (43.99 yr)  
   first obs. used      1976-08-24  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:42  

Additional Information
 Earth MOID = .784592 au 
 Jupiter MOID = 2.56474 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457266.5 (2015-Sep-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924064900287209 3.8649e-08  
q 1.699947591822984 9.4045e-08 au
tp 2456681.021117894945
(2014-Jan-23.52111789)
2.197e-05 TDB
node 126.7131488658392 1.0415e-05 deg
peri 240.3432837212919 1.1465e-05 deg
i 23.15330236550524 3.8533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      16066 days (43.99 yr)  
   first obs. used      1976-08-24  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:42  

Additional Information
 Jupiter MOID = 2.56474 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.493712960744484E-15 -3.627841347412061E-15 -7.158373535575993E-14 1.961281244477693E-14 -3.350447679979592E-14 -3.513789542069375E-15
q -3.627841347412061E-15 8.844537754149852E-15 1.598553872485458E-13 -4.75467243582267E-14 8.084117832425374E-14 9.264341103334506E-15
tp -7.158373535575993E-14 1.598553872485458E-13 4.826992395359324E-10 3.186152618975292E-14 1.244997360430662E-10 2.899209626456865E-12
node 1.961281244477693E-14 -4.75467243582267E-14 3.186152618975292E-14 1.084632814279358E-10 -9.950535552567593E-11 5.130166909259446E-12
peri -3.350447679979592E-14 8.084117832425374E-14 1.244997360430662E-10 -9.950535552567593E-11 1.314537928720146E-10 -3.959307324760989E-12
i -3.513789542069375E-15 9.264341103334506E-15 2.899209626456865E-12 5.130166909259446E-12 -3.959307324760989E-12 1.484758761115154E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO435829  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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