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JPL Small-Body Database Browser
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(2012 XE54)
Classification: Apollo [NEO]          SPK-ID: 3619633
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5594311495796568 0.00021639  
a 1.910471520193265 0.00087706 au
q .8416942414123525 2.701e-05 au
i 8.029831164031785 0.0027145 deg
node 259.1425378178636 0.00030177 deg
peri 234.0307470238783 0.00021094 deg
M 134.5286116420463 0.59413 deg
tp 2458240.069579715691
(2018-May-01.56957972)
1.3436 TDB
period 964.5156500061354
2.64
0.66418
0.001818
d
yr
n .3732443325286738 0.00025702 deg/d
Q 2.979248798974178 0.0013677 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      2 days  
   first obs. used      2012-12-09  
   last obs. used      2012-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .369  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:46  

Additional Information
 Earth MOID = .0012998 au 
 Jupiter MOID = 2.14618 au 
 T_jup = 3.718 
[ 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 25.4   n/a MPO258433  

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