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JPL Small-Body Database Browser
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379568 (2011 BL4)
Classification: Main-belt Asteroid          SPK-ID: 2379568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1504081769947672 8.4421e-08  
a 2.605515069629858 3.6557e-08 au
q 2.213624297874437 2.1619e-07 au
i 12.94223383170166 6.1283e-06 deg
node 121.5013141620691 5.0693e-05 deg
peri 130.74255552 6.0762e-05 deg
M 321.3041881927882 3.3525e-05 deg
tp 2459165.620225245494
(2020-Nov-12.12022525)
0.00014344 TDB
period 1536.168342572393
4.21
3.233e-05
8.851e-08
d
yr
n .2343493157769163 4.9321e-09 deg/d
Q 2.997405841385279 4.2055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      6187 days (16.94 yr)  
   first obs. used      2003-01-28  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:36:17  

Additional Information
 Earth MOID = 1.22119 au 
 Jupiter MOID = 2.16075 au 
 T_jup = 3.361 
[ 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 16.8   n/a MPO418931  

379568 (2011 BL4)          Discovered 2010-Dec-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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