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(2012 XB112)
Classification: Apollo [NEO]          SPK-ID: 3620672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446616815663616 2.238e-06  
a 1.028872048662195 9.1549e-07 au
q .8800336879860946 3.0236e-06 au
i 1.321887779123542 8.0807e-05 deg
node 76.87163645300973 0.00031499 deg
peri 88.82450869378403 0.00090157 deg
M 350.9186094949894 0.0020261 deg
tp 2459010.115908684013
(2020-Jun-09.61590868)
0.0021581 TDB
period 381.1891058241116
1.04
0.00050877
1.393e-06
d
yr
n .9444131390420988 1.2605e-06 deg/d
Q 1.177710409338295 1.0479e-06 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      3 days  
   first obs. used      2012-12-11  
   last obs. used      2012-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      3  
   norm. resid. RMS      .42236  
   source      ORB  
   producer      Giorgini  
   solution date      2017-May-08 13:01:46  

Additional Information
 Earth MOID = .000795499 au 
 Jupiter MOID = 3.78811 au 
 T_jup = 5.937 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 29.9   n/a MPO247345  
diameter diameter 0.0025 km 0.0005 n/a Based on Goldstone echo band-width of 3-4 Hz and light-curve rotational period of 2.6 minutes from light-curves.
rotation period rot_per 0.043333 h n/a n/a 2.6 minute rotation period from lightcurves by Bill Ryan

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