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186697 (2004 BK38)
Classification: Main-belt Asteroid          SPK-ID: 2186697
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777711639988116 6.5435e-08  
a 2.351765050768158 1.2878e-08 au
q 1.933689040241378 1.5488e-07 au
i 6.480039396630629 4.8752e-06 deg
node 117.2699196451484 6.1882e-05 deg
peri 82.25924346828916 6.3419e-05 deg
M 202.1073480182067 1.5324e-05 deg
tp 2459778.261692747632
(2022-Jul-17.76169275)
5.8988e-05 TDB
period 1317.314053431261
3.61
1.082e-05
2.962e-08
d
yr
n .2732833518797537 2.2447e-09 deg/d
Q 2.769841061294937 1.5167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      8617 days (23.59 yr)  
   first obs. used      1997-04-15  
   last obs. used      2020-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6187  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:52:19  

Additional Information
 Earth MOID = .943666 au 
 Jupiter MOID = 2.20945 au 
 T_jup = 3.527 
[ 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 16.80   n/a MPCxxxxx  

186697 (2004 BK38)          Discovered 2004-Jan-19 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 BK38 = 2006 WZ141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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