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393131 (2013 BL47)
Classification: Main-belt Asteroid          SPK-ID: 2393131
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0830171601365863 6.2109e-08  
a 3.087878300794022 5.2017e-08 au
q 2.831531413414714 2.118e-07 au
i 4.900616924183238 7.353e-06 deg
node 93.06097786080811 7.9371e-05 deg
peri 203.7765841973908 0.00010036 deg
M 311.6682872215454 5.8505e-05 deg
tp 2459266.583764033291
(2021-Feb-21.08376403)		 0.00031861 TDB
period 1981.931728574829
5.43		 5.0081e-05
1.371e-07		 d
yr
n .181640969166415 4.5898e-09 deg/d
Q 3.34422518817333 5.6336e-08 au
   Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6314 days (17.29 yr)  
   first obs. used      2003-04-01  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:19:43  

Additional Information
 Earth MOID = 1.81645 au 
 Jupiter MOID = 1.8109 au 
 T_jup = 3.215 
[ 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 16.2   n/a MPO472036  

393131 (2013 BL47)          Discovered 2009-Apr-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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