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187927 (2001 BK39)
Classification: Main-belt Asteroid          SPK-ID: 2187927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02746019268633482 5.849e-08  
a 2.735682038234176 2.3207e-08 au
q 2.660559682335721 1.545e-07 au
i 4.919431679050973 4.7971e-06 deg
node 226.9124415683233 6.2061e-05 deg
peri 127.6204291884101 0.00010614 deg
M 213.8890243971399 8.9872e-05 deg
tp 2459871.275505414194
(2022-Oct-18.77550541)
0.00041645 TDB
period 1652.710762848282
4.52
2.103e-05
5.758e-08
d
yr
n .2178239581253624 2.7718e-09 deg/d
Q 2.810804394132632 2.3845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      7088 days (19.41 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:00:38  

Additional Information
 Earth MOID = 1.65736 au 
 Jupiter MOID = 2.29601 au 
 T_jup = 3.346 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.04   n/a E2021B55  

187927 (2001 BK39)          Discovered 2001-Jan-21 by Spacewatch at Kitt Peak
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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