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13060 (1991 EJ)
Classification: Jupiter Trojan          SPK-ID: 2013060
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222321264972117 1.3484e-07  
a 5.170641546371416 2.2243e-07 AU
q 4.538623034803607 6.9338e-07 AU
i 22.90970172617931 1.548e-05 deg
node 280.5086690042064 2.6391e-05 deg
peri 96.05947345711009 7.4227e-05 deg
M 159.2208283057679 6.3857e-05 deg
tp 2455101.117413155587
(2009-Sep-26.61741316)
0.00076841 JED
period 4294.524394452093
11.76
0.00027712
7.587e-07
d
yr
n .0838276761135804 5.4092e-09 deg/d
Q 5.802660057939225 2.4962e-07 AU
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      22738 days (62.25 yr)  
   first obs. used      1953-01-09  
   last obs. used      2015-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52161  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:16:37  

Additional Information
 Earth MOID = 3.63883 AU 
 T_jup = 2.829 
[ 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 10.7 mag n/a MPO259437  

13060 (1991 EJ)          Discovered 1991-Mar-10 by McNaught, R. H. at Siding Spring
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 EJ = 1997 WT29 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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