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JPL Small-Body Database Browser
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215021 (2009 BJ71)
Classification: Main-belt Asteroid          SPK-ID: 2215021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016802963012913 6.7023e-08  
a 2.667172022299104 3.213e-08 au
q 2.129255978555306 1.7189e-07 au
i 13.24932903662162 8.988e-06 deg
node 358.1133728626686 3.565e-05 deg
peri 123.8566386608098 4.4358e-05 deg
M 141.3952245140136 2.6663e-05 deg
tp 2457975.604771848516
(2017-Aug-10.10477185)
0.00011281 TDB
period 1591.017539013407
4.36
2.8749e-05
7.871e-08
d
yr
n .2262702900329035 4.0886e-09 deg/d
Q 3.205088066042902 3.861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1996-02-21  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64569  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:07:01  

Additional Information
 Earth MOID = 1.17446 au 
 Jupiter MOID = 1.9348 au 
 T_jup = 3.316 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO433407  

215021 (2009 BJ71)          Discovered 2009-Jan-26 by PMO Neo Survey Program at XuYi
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2009 BJ71 = 2008 TH140 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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