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259146 (2002 XF84)
Classification: Mars-crossing Asteroid          SPK-ID: 2259146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3909904588664774 7.1555e-08  
a 2.62048976436225 9.0024e-09 au
q 1.595903268939346 1.8708e-07 au
i 28.37967128152746 9.4554e-06 deg
node 46.88235189110773 1.4438e-05 deg
peri 102.6320552893917 2.1584e-05 deg
M 29.47193974197555 8.9483e-06 deg
tp 2458873.653540977291
(2020-Jan-25.15354098)
3.8539e-05 TDB
period 1549.430599002512
4.24
7.9844e-06
2.186e-08
d
yr
n .2323434171441817 1.1973e-09 deg/d
Q 3.645076259785153 1.2522e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      9661 days (26.45 yr)  
   first obs. used      1993-12-13  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44385  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:12:06  

Additional Information
 Earth MOID = .801926 au 
 Jupiter MOID = 2.07825 au 
 T_jup = 3.135 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO503200  

259146 (2002 XF84)          Discovered 2002-Dec-13 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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