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JPL Small-Body Database Browser
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13060 (1991 EJ)
Classification: Jupiter Trojan          SPK-ID: 2013060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245718879004365 7.4485e-08  
a 5.158737182774642 1.57e-07 au
q 4.516103552734226 4.951e-07 au
i 22.95167886016559 7.9853e-06 deg
node 280.4398037120343 1.419e-05 deg
peri 96.28469564744817 3.4801e-05 deg
M 293.6510687200391 3.2979e-05 deg
tp 2459389.260152346718
(2021-Jun-23.76015235)
0.00040274 TDB
period 4279.702014289714
11.72
0.00019537
5.349e-07
d
yr
n .08411800606630501 3.8401e-09 deg/d
Q 5.801370812815058 1.7656e-07 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      24358 days (66.69 yr)  
   first obs. used      1953-01-09  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52019  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:14:02  

Additional Information
 Earth MOID = 3.61619 au 
 Jupiter MOID = .0572792 au 
 T_jup = 2.828 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.7   n/a MPO259437  
diameter diameter 36.148 km 2.042 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.071   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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