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437296 (2013 BK40)
Classification: Jupiter Trojan          SPK-ID: 2437296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06325737568272102 1.4999e-07  
a 5.196755073213607 6.2063e-07 au
q 4.868021985216248 1.3427e-06 au
i 10.16231610881152 9.261e-06 deg
node 136.3706062388747 4.8612e-05 deg
peri 313.8470195290797 0.00012985 deg
M 294.39568751516 0.00013316 deg
tp 2460185.045372941035
(2023-Aug-28.54537294)
0.0016781 TDB
period 4327.098684623385
11.85
0.00077516
2.122e-06
d
yr
n .08319662347412655 1.4904e-08 deg/d
Q 5.525488161210967 6.5989e-07 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2003-05-02  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:06  

Additional Information
 Earth MOID = 3.89425 au 
 Jupiter MOID = .344814 au 
 T_jup = 2.965 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458004.5 (2017-Sep-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06158036424793135 1.4961e-07  
q 4.87937472818167 1.3416e-06 au
tp 2455861.462714158151
(2011-Oct-26.96271416)
0.0014299 TDB
node 136.3766761401224 4.863e-05 deg
peri 314.1115359506199 0.00013347 deg
i 10.15843155811157 9.2555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2003-05-02  
   last obs. used      2020-10-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63705  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:06  

Additional Information
 Jupiter MOID = .344814 au 
 T_jup = 2.965 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.238451640208334E-14 -1.9869755680759E-13 -2.799881181363561E-11 8.119712770095323E-14 -6.62350650959866E-12 -1.08609418075707E-14
q -1.9869755680759E-13 1.799853706848289E-12 2.719273174124808E-10 -7.314008992517312E-13 6.263947238205934E-11 1.10852453620774E-13
tp -2.799881181363561E-11 2.719273174124808E-10 2.044562133188351E-6 -8.676692101852221E-10 1.726019272653087E-7 -1.394689511152329E-10
node 8.119712770095323E-14 -7.314008992517312E-13 -8.676692101852221E-10 2.364911872742055E-9 -2.413839143335691E-9 2.754522595201834E-10
peri -6.62350650959866E-12 6.263947238205934E-11 1.726019272653087E-7 -2.413839143335691E-9 1.781537745086178E-8 -2.795104451645954E-10
i -1.08609418075707E-14 1.10852453620774E-13 -1.394689511152329E-10 2.754522595201834E-10 -2.795104451645954E-10 8.566435141059665E-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 13.9   n/a MPO495169  

437296 (2013 BK40)          Discovered 2013-Jan-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 BK40 = 2014 DT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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