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434292 (2004 BK85)
Classification: Inner Main-belt Asteroid          SPK-ID: 2434292
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 .01511940439982644 8.0825e-08  
a 1.91585966009612 1.0355e-08 au
q 1.886893003121813 1.5542e-07 au
i 24.34257113797002 9.1068e-06 deg
node 127.5792523405137 1.1492e-05 deg
peri 145.3880083077477 0.0002584 deg
M 278.1716141561129 0.00025354 deg
tp 2459220.663565590358
(2021-Jan-06.16356559)
0.00068175 TDB
period 968.5988889447199
2.65
7.8528e-06
2.15e-08
d
yr
n .3716708785328227 3.0133e-09 deg/d
Q 1.944826317070428 1.0512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-01-22  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:11:55  

Additional Information
 Earth MOID = .876512 au 
 Jupiter MOID = 3.14764 au 
 T_jup = 3.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457870.5 (2017-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01534228516054668 8.0357e-08  
q 1.886450874170628 1.5454e-07 au
tp 2458250.554624376687
(2018-May-12.05462438)
0.00067873 TDB
node 127.6027560086187 1.1494e-05 deg
peri 144.8565053094962 0.00025661 deg
i 24.34120504366008 9.1062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5960 days (16.32 yr)  
   first obs. used      2004-01-22  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .501  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:11:55  

Additional Information
 Jupiter MOID = 3.14764 au 
 T_jup = 3.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.457240672430489E-15 -1.239141654120012E-14 3.64259905383458E-11 -1.198285302828698E-13 1.386026296693546E-11 2.266653691868466E-14
q -1.239141654120012E-14 2.388266544768009E-14 -7.147790573934912E-11 2.303272020706395E-13 -2.720102650641969E-11 -4.237972314318208E-14
tp 3.64259905383458E-11 -7.147790573934912E-11 4.606790653171966E-7 -9.542274337757795E-10 1.740013264334159E-7 2.337957418644915E-10
node -1.198285302828698E-13 2.303272020706395E-13 -9.542274337757795E-10 1.321053671267683E-10 -4.777223208980508E-10 -9.129441392540077E-12
peri 1.386026296693546E-11 -2.720102650641969E-11 1.740013264334159E-7 -4.777223208980508E-10 6.584738550242988E-8 9.535462202836765E-11
i 2.266653691868466E-14 -4.237972314318208E-14 2.337957418644915E-10 -9.129441392540077E-12 9.535462202836765E-11 8.292343877489541E-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 17.68   n/a E2021B25  

434292 (2004 BK85)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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