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JPL Small-Body Database Browser
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379589 (2011 BT115)
Classification: Main-belt Asteroid          SPK-ID: 2379589
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1394129723488468 7.3152e-08  
a 2.624843928381698 4.4821e-08 au
q 2.258906634374182 1.9738e-07 au
i 15.19633754476394 8.1362e-06 deg
node 119.0185921163577 4.0933e-05 deg
peri 161.4980667003965 6.0199e-05 deg
M 186.5490321371993 4.2748e-05 deg
tp 2459348.889838511496
(2021-May-14.38983851)
0.00018517 TDB
period 1553.293966495761
4.25
3.9785e-05
1.089e-07
d
yr
n .2317655303922682 5.9363e-09 deg/d
Q 2.990781222389214 5.1069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4781 days (13.09 yr)  
   first obs. used      2004-06-22  
   last obs. used      2017-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6091  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:29:27  

Additional Information
 Earth MOID = 1.24635 au 
 Jupiter MOID = 2.20842 au 
 T_jup = 3.340 
[ 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 16.5   n/a MPO418931  

379589 (2011 BT115)          Discovered 2010-Dec-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 BT115 = 2011 BF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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