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JPL Small-Body Database Browser
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305640 (2009 BZ39)
Classification: Main-belt Asteroid          SPK-ID: 2305640
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05432129776798122 5.0473e-08  
a 2.618312906880962 3.2693e-08 au
q 2.476082751816532 1.4593e-07 au
i 22.4402298438958 7.172e-06 deg
node 131.01614022 1.24e-05 deg
peri 292.0458356035907 6.3643e-05 deg
M 220.4955474330466 6.3875e-05 deg
tp 2459200.175512797822
(2020-Dec-16.67551280)
0.00027678 TDB
period 1547.500317264823
4.24
2.8984e-05
7.935e-08
d
yr
n .2326332317891171 4.3571e-09 deg/d
Q 2.760543061945391 3.4469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      6738 days (18.45 yr)  
   first obs. used      2001-03-25  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:54  

Additional Information
 Earth MOID = 1.54875 au 
 Jupiter MOID = 2.40853 au 
 T_jup = 3.297 
[ 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 15.6   n/a MPO437357  

305640 (2009 BZ39)          Discovered 2009-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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