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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446889040440974 2.5178e-06  
a 1.028847801293497 1.0702e-06 au
q .8799849404961616 3.4132e-06 au
i 1.321852189735124 9.5625e-05 deg
node 76.87121926389418 0.00036654 deg
peri 88.83798906250752 0.001054 deg
M 179.7870645385542 0.0026928 deg
tp 2459010.137645224680
(2020-Jun-09.63764522)
0.0025556 TDB
period 381.1756307107366
1.04
0.00059473
1.628e-06
d
yr
n .9444465254212271 1.4736e-06 deg/d
Q 1.177710662090832 1.225e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .36632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 07:21:40  

Additional Information
 Earth MOID = .00108583 au 
 Jupiter MOID = 3.7871 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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