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541209 (2011 BB146)
Classification: Main-belt Asteroid          SPK-ID: 2541209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03432348691224199 7.2572e-08  
a 2.780781541559328 4.6228e-08 au
q 2.685335422711812 2.0311e-07 au
i 5.400814693893456 1.0103e-05 deg
node 321.0955677465486 6.9782e-05 deg
peri 63.99940924526142 0.00016579 deg
M 146.8761161039961 0.00014803 deg
tp 2458509.469185499094
(2019-Jan-25.96918550)
0.00069548 TDB
period 1693.747763892279
4.64
4.2235e-05
1.156e-07
d
yr
n .2125464060674006 5.3001e-09 deg/d
Q 2.876227660406844 4.7814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      5565 days (15.24 yr)  
   first obs. used      2004-09-07  
   last obs. used      2019-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:30  

Additional Information
 Earth MOID = 1.6909 au 
 Jupiter MOID = 2.28296 au 
 T_jup = 3.326 
[ 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 17.4   n/a MPO327090  

541209 (2011 BB146)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 BB146 = 2014 WZ307 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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