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212975 (2009 BJ156)
Classification: Main-belt Asteroid          SPK-ID: 2212975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06021646173048281 5.433e-08  
a 2.382842585152019 1.6427e-08 au
q 2.239356235813448 1.3119e-07 au
i 5.687596758129692 6.9069e-06 deg
node 327.4775035757475 4.6643e-05 deg
peri 156.16487629 6.8034e-05 deg
M 51.70793977805774 5.0382e-05 deg
tp 2458807.527159323509
(2019-Nov-20.02715932)
0.00018762 TDB
period 1343.511711000648
3.68
1.3893e-05
3.804e-08
d
yr
n .2679544934758119 2.7709e-09 deg/d
Q 2.526328934490591 1.7417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      5998 days (16.42 yr)  
   first obs. used      2003-08-31  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:53:04  

Additional Information
 Earth MOID = 1.2558 au 
 Jupiter MOID = 2.49932 au 
 T_jup = 3.528 
[ 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 17.2   n/a MPO454528  

212975 (2009 BJ156)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 BJ156 = 2004 XG160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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