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392709 (2012 BG122)
Classification: Main-belt Asteroid          SPK-ID: 2392709
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06820806131285423 1.0929e-07  
a 2.946081549480433 3.8965e-08 au
q 2.745135038520803 3.2415e-07 au
i 9.641961739871174 1.4314e-05 deg
node 344.8572344360178 2.8552e-05 deg
peri 228.1287360425592 0.00010874 deg
M 179.6007594030308 0.00010999 deg
tp 2458079.051131449397
(2017-Nov-21.55113145)
0.00055869 TDB
period 1846.994376754396
5.06
3.6643e-05
1.003e-07
d
yr
n .1949112593578139 3.8669e-09 deg/d
Q 3.147028060440062 4.1623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6484 days (17.75 yr)  
   first obs. used      2002-02-13  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:27:14  

Additional Information
 Earth MOID = 1.75172 au 
 Jupiter MOID = 1.86289 au 
 T_jup = 3.246 
[ 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 MPO494990  

392709 (2012 BG122)          Discovered 2002-Feb-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 BG122 = 2002 EP47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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