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JPL Small-Body Database Browser
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305712 (2009 BJ181)
Classification: Main-belt Asteroid          SPK-ID: 2305712
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 .1156169208808046 5.2923e-08  
a 2.35902245202375 1.6871e-08 au
q 2.086279539832078 1.2008e-07 au
i 6.520632678489661 5.802e-06 deg
node 152.8787121773125 4.5774e-05 deg
peri 305.9761137306201 5.5402e-05 deg
M 65.79641516044246 2.718e-05 deg
tp 2458758.622055206438
(2019-Oct-02.12205521)
0.00010017 TDB
period 1323.416479656988
3.62
1.4197e-05
3.887e-08
d
yr
n .2720232107834316 2.9182e-09 deg/d
Q 2.631765364215422 1.8822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6622 days (18.13 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:00  

Additional Information
 Earth MOID = 1.11069 au 
 Jupiter MOID = 2.49853 au 
 T_jup = 3.535 
[ 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 17.5   n/a MPO455252  

305712 (2009 BJ181)          Discovered 2009-Jan-18 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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