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JPL Small-Body Database Browser
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(2012 XP55)
Classification: Apollo [NEO]          SPK-ID: 3619734
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 2456273.5 (2012-Dec-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5977609887734612 0.0018488  
a 1.943762656740622 0.0077855 au
q .7818571691064181 0.00046204 au
i 2.796698320651779 0.008305 deg
node 80.23502873377114 0.0033007 deg
peri 77.01050955235301 0.012526 deg
M 339.6106517285965 0.13501 deg
tp 2456329.561423573586
(2013-Feb-06.06142357)
0.034387 TDB
period 989.836076065106
2.71
5.947
0.01628
d
yr
n .3636965844194198 0.0021851 deg/d
Q 3.105668144374826 0.012439 au
  Orbit Determination Parameters
   # obs. used (total)      46  
   data-arc span      15 days  
   first obs. used      2012-12-08  
   last obs. used      2012-12-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .45078  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:43  

Additional Information
 Earth MOID = .0114788 au 
 Jupiter MOID = 1.89483 au 
 T_jup = 3.656 
[ 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 23.9   n/a MPO252140  

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