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(2012 XM55)
Classification: Apollo [NEO]          SPK-ID: 3619731
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1301411137196527 5.6908e-05  
a 1.09642409504072 5.6653e-05 au
q .9537342422030586 1.3117e-05 au
i 1.080308342214642 0.0010053 deg
node 66.57863230334313 0.014227 deg
peri 68.6973780098369 0.012217 deg
M 137.4975609913694 0.18042 deg
tp 2458840.338260445679
(2019-Dec-22.83826045)
0.19774 TDB
period 419.3399928248529
1.15
0.032501
8.898e-05
d
yr
n .85849193055708 6.6538e-05 deg/d
Q 1.239113947878382 6.4026e-05 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      12 days  
   first obs. used      2012-12-08  
   last obs. used      2012-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40243  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:47:43  

Additional Information
 Earth MOID = .0080874 au 
 Jupiter MOID = 3.76293 au 
 T_jup = 5.656 
[ 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 27.9   n/a MPO247320  

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