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JPL Small-Body Database Browser
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441723 (2009 BU51)
Classification: Main-belt Asteroid          SPK-ID: 2441723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04452845493250396 8.6407e-08  
a 2.686910513466756 4.7283e-08 au
q 2.567266539760181 2.3196e-07 au
i 5.666120587625207 9.6861e-06 deg
node 318.8415271814659 7.4757e-05 deg
peri 167.4974073766862 0.0001127 deg
M 122.544997328756 8.6784e-05 deg
tp 2458052.890067432464
(2017-Oct-26.39006743)
0.00038414 TDB
period 1608.71173872108
4.40
4.2464e-05
1.163e-07
d
yr
n .2237815460252679 5.9071e-09 deg/d
Q 2.806554487173332 4.9389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      3811 days (10.43 yr)  
   first obs. used      2007-10-11  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:47:30  

Additional Information
 Earth MOID = 1.58292 au 
 Jupiter MOID = 2.21674 au 
 T_jup = 3.365 
[ 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 17.1   n/a MPO437716  

441723 (2009 BU51)          Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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