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JPL Small-Body Database Browser
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212972 (2009 BQ123)
Classification: Main-belt Asteroid          SPK-ID: 2212972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09203595834319997 4.6095e-08  
a 3.097530672507855 3.5106e-08 au
q 2.812446468566137 1.5242e-07 au
i 5.362954088993839 6.0104e-06 deg
node 167.7972601017748 5.7063e-05 deg
peri 311.6368495840677 6.7316e-05 deg
M 50.27195573016268 3.395e-05 deg
tp 2458722.435766632586
(2019-Aug-26.93576663)
0.00018786 TDB
period 1991.231941513827
5.45
3.3852e-05
9.268e-08
d
yr
n .1807926000455333 3.0735e-09 deg/d
Q 3.382614876449572 3.8337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      5787 days (15.84 yr)  
   first obs. used      2004-03-29  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:53:04  

Additional Information
 Earth MOID = 1.83191 au 
 Jupiter MOID = 1.68978 au 
 T_jup = 3.210 
[ 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 16.0   n/a MPO418140  

212972 (2009 BQ123)          Discovered 2009-Jan-31 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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