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441748 (2009 BF157)
Classification: Main-belt Asteroid          SPK-ID: 2441748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875273201058685 7.0483e-08  
a 2.905806316845976 6.5085e-08 au
q 2.360888245501146 2.0463e-07 au
i 19.19377135368686 1.3658e-05 deg
node 153.6784901332863 2.447e-05 deg
peri 92.65000090777477 5.0839e-05 deg
M 32.40727159351434 4.126e-05 deg
tp 2458837.631014870360
(2019-Dec-20.13101487)
0.00020538 TDB
period 1809.249337065589
4.95
6.0786e-05
1.664e-07
d
yr
n .1989775497631973 6.6851e-09 deg/d
Q 3.450724388190806 7.729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5522 days (15.12 yr)  
   first obs. used      2004-02-17  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62411  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:00:11  

Additional Information
 Earth MOID = 1.44178 au 
 Jupiter MOID = 1.9395 au 
 T_jup = 3.177 
[ 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 16.7   n/a MPO434639  

441748 (2009 BF157)          Discovered 2009-Jan-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 BF157 = 2010 HO112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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