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JPL Small-Body Database Browser
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344806 (2004 BK41)
Classification: Mars-crossing Asteroid          SPK-ID: 2344806
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05161862436326874 1.6703e-07  
a 1.744863603367751 9.7523e-09 au
q 1.654796144460371 2.9095e-07 au
i 26.18729638064561 1.1304e-05 deg
node 275.1206777629355 1.5157e-05 deg
peri 80.35520614507168 0.00012076 deg
M 358.1473454823125 0.00011231 deg
tp 2458604.832440344314
(2019-May-01.33244034)
0.00026264 TDB
period 841.8615068608933
2.30
7.0579e-06
1.932e-08
d
yr
n .4276237802371517 3.5851e-09 deg/d
Q 1.83493106227513 1.0256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5797 days (15.87 yr)  
   first obs. used      2004-01-22  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:08:47  

Additional Information
 Earth MOID = .700793 au 
 Jupiter MOID = 3.3828 au 
 T_jup = 4.020 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457066.5 (2015-Feb-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0516939208158534 1.6723e-07  
q 1.654681166912265 2.914e-07 au
tp 2456920.568023581598
(2014-Sep-20.06802358)
0.00026002 TDB
node 275.1489234858525 1.516e-05 deg
peri 80.15821342881884 0.0001203 deg
i 26.18628539325099 1.1303e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5797 days (15.87 yr)  
   first obs. used      2004-01-22  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 20:08:47  

Additional Information
 Jupiter MOID = 3.3828 au 
 T_jup = 4.020 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.796751192283578E-14 -4.870768420154436E-14 -1.587175915678786E-11 7.70106552421116E-14 -9.490492542279781E-12 -7.35897828535171E-14
q -4.870768420154436E-14 8.491363385930168E-14 2.792569987473168E-11 -1.41471633271207E-13 1.66510256682067E-11 1.300863619635687E-13
tp -1.587175915678786E-11 2.792569987473168E-11 6.760789447867317E-8 -2.386747618201752E-10 3.082042552649557E-8 -2.464207997595844E-11
node 7.70106552421116E-14 -1.41471633271207E-13 -2.386747618201752E-10 2.298392303799142E-10 -3.116677380828009E-10 -4.466819285016629E-11
peri -9.490492542279781E-12 1.66510256682067E-11 3.082042552649557E-8 -3.116677380828009E-10 1.447182606730635E-8 3.57849885151613E-11
i -7.35897828535171E-14 1.300863619635687E-13 -2.464207997595844E-11 -4.466819285016629E-11 3.57849885151613E-11 1.277600276701837E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO434170  

344806 (2004 BK41)          Discovered 2004-Jan-22 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 BK41 = 2005 VM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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