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376139 (2011 BR1)
Classification: Main-belt Asteroid          SPK-ID: 2376139
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09024092557188799 9.194e-08  
a 2.666483049599071 4.058e-08 au
q 2.4258571511815 2.3492e-07 au
i 9.526883295444156 9.199e-06 deg
node 321.587081317258 4.1096e-05 deg
peri 356.7694821139464 6.2318e-05 deg
M 207.2722709791603 5.3683e-05 deg
tp 2459675.217634560071
(2022-Apr-05.71763456)
0.00024383 TDB
period 1590.401101351296
4.35
3.6305e-05
9.94e-08
d
yr
n .2263579921405507 5.1672e-09 deg/d
Q 2.907108948016642 4.4242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4736 days (12.97 yr)  
   first obs. used      2007-02-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:43:02  

Additional Information
 Earth MOID = 1.41278 au 
 Jupiter MOID = 2.37251 au 
 T_jup = 3.358 
[ 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 17.0   n/a MPO460474  

376139 (2011 BR1)          Discovered 2007-Feb-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-10-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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