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(2008 XK)
Classification: Apollo [NEO]          SPK-ID: 3441027
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 2454802.5 (2008-Dec-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6854390448121412 0.19583  
a 2.805658348330224 1.6155 au
q .8825505699815454 0.041556 au
i 6.151898610802182 1.6937 deg
node 74.58860521795567 1.3864 deg
peri 42.24674271651138 5.023 deg
M 352.9125770118018 6.2577 deg
tp 2454836.293755395462
(2009-Jan-04.79375540)
0.69251 TDB
period 1716.526862108339
4.70
1482.6
4.059
d
yr
n .2097258178399998 0.18114 deg/d
Q 4.728766126678902 2.7229 au
  Orbit Determination Parameters
   # obs. used (total)      12  
   first obs. used      2008-12-02  
   last obs. used      2008-12-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      9  
   norm. resid. RMS      .26856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:22:10  

Additional Information
 Earth MOID = .000550058 au 
 Jupiter MOID = .520891 au 
 T_jup = 2.918 
[ 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 27.2   n/a MPO149168  

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