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437235 (2012 XB20)
Classification: Main-belt Asteroid          SPK-ID: 2437235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237568100095466 5.8685e-08  
a 2.794373793134085 5.2636e-08 au
q 2.448551006521535 1.8059e-07 au
i 7.794579831870529 7.727e-06 deg
node 253.872478607636 5.7428e-05 deg
peri 45.71220143613892 6.9883e-05 deg
M 333.609729195769 4.0684e-05 deg
tp 2459125.573851125617
(2020-Oct-03.07385113)
0.00019423 TDB
period 1706.181294585399
4.67
4.8207e-05
1.32e-07
d
yr
n .2109975072065714 5.9616e-09 deg/d
Q 3.140196579746636 5.915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4191 days (11.47 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58634  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:06:39  

Additional Information
 Earth MOID = 1.44029 au 
 Jupiter MOID = 2.05369 au 
 T_jup = 3.303 
[ 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 16.5   n/a MPO472425  

437235 (2012 XB20)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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