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(2009 XO2)
Classification: Apollo [NEO]          SPK-ID: 3483326
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4885491420143175 9.127e-05  
a 1.934708395128155 0.00033932 au
q .9895082686403975 3.0396e-06 au
i 12.62558275029699 0.001695 deg
node 91.12257137759212 0.00019214 deg
peri 15.5859656879328 0.0001155 deg
M 310.8636167631714 0.3787 deg
tp 2459134.659795225772
(2020-Oct-12.15979523)
1.0693 TDB
period 982.9279873630998
2.69
0.25859
0.000708
d
yr
n .3662526702141952 9.6353e-05 deg/d
Q 2.879908521615912 0.00050509 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      61 days  
   first obs. used      2009-12-12  
   last obs. used      2010-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38382  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:47  

Additional Information
 Earth MOID = .0170509 au 
 Jupiter MOID = 2.30081 au 
 T_jup = 3.728 
[ 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 23.5   .2909 15 autocmod 2.6i
rotation period rot_per 1.8 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]

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