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JPL Small-Body Database Browser
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74426 (1999 BK2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074426
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051230530388643 6.1947e-08  
a 1.930644750342309 7.0804e-09 au
q 1.727689479852869 1.1982e-07 au
i 23.12581793369834 5.6812e-06 deg
node 81.31573527405001 1.3443e-05 deg
peri 278.2988171810007 2.8283e-05 deg
M 311.8412294419252 2.5417e-05 deg
tp 2458731.576510192289
(2019-Sep-05.07651019)
6.9225e-05 TDB
period 979.8328138863216
2.68
5.3901e-06
1.476e-08
d
yr
n .3674096181491698 2.0211e-09 deg/d
Q 2.133600020831748 7.8247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      8720 days (23.87 yr)  
   first obs. used      1996-01-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54533  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:46:43  

Additional Information
 Earth MOID = .845406 au 
 Jupiter MOID = 3.21485 au 
 T_jup = 3.809 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436303  

74426 (1999 BK2)          Discovered 1999-Jan-19 by CSS at Catalina
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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