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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157005567439138 6.3847e-08  
a 2.359305045509498 2.2924e-08 au
q 2.086332138215324 1.5512e-07 au
i 6.520007266161872 6.0538e-06 deg
node 152.8841556684418 7.096e-05 deg
peri 306.0799532270709 7.7749e-05 deg
M 316.9077584545022 3.2434e-05 deg
tp 2458758.942306640623
(2019-Oct-02.44230664)
0.00011994 TDB
period 1323.654290074487
3.62
1.9292e-05
5.282e-08
d
yr
n .2719743385410261 3.964e-09 deg/d
Q 2.632277952803672 2.5577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      6030 days (16.51 yr)  
   first obs. used      2002-03-05  
   last obs. used      2018-09-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67807  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:21:00  

Additional Information
 Earth MOID = 1.11087 au 
 Jupiter MOID = 2.49913 au 
 T_jup = 3.534 
[ 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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