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437294 (2013 BK31)
Classification: Jupiter Trojan          SPK-ID: 2437294
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06209500406895198 1.6841e-07  
a 5.127308958517895 7.7329e-07 au
q 4.808928687875953 5.626e-07 au
i 8.327340506786092 8.997e-06 deg
node 75.81890011251561 8.0717e-05 deg
peri 77.8143688105807 0.00016644 deg
M 202.2502278559535 0.00017311 deg
tp 2460858.727565633725
(2025-Jul-02.22756563)
0.0024225 TDB
period 4240.652233825669
11.61
0.00095935
2.627e-06
d
yr
n .08489260145608049 1.9205e-08 deg/d
Q 5.445689229159838 8.2131e-07 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      3632 days (9.94 yr)  
   first obs. used      2009-10-16  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66488  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:45:04  

Additional Information
 Earth MOID = 3.83191 au 
 Jupiter MOID = .0024655 au 
 T_jup = 2.975 
[ 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 14.3   n/a MPO456078  

437294 (2013 BK31)          Discovered 2010-Nov-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 BK31 = 2010 VF56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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