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102990 (1999 XF88)
Classification: Main-belt Asteroid          SPK-ID: 2102990
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759407207995949 3.7834e-08  
a 2.241563374975665 7.6654e-09 au
q 1.847181099064474 8.4394e-08 au
i 4.738109630024385 4.1119e-06 deg
node 93.37634605950818 4.4625e-05 deg
peri 312.644630858537 4.6146e-05 deg
M 125.4155136152377 1.0258e-05 deg
tp 2458773.454922446271
(2019-Oct-16.95492245)		 3.5238e-05 TDB
period 1225.815080509018
3.36		 6.2879e-06
1.722e-08		 d
yr
n .2936821431912149 1.5065e-09 deg/d
Q 2.635945650886856 9.0141e-09 au
   Orbit Determination Parameters
   # obs. used (total)      647  
   data-arc span      8374 days (22.93 yr)  
   first obs. used      1997-03-12  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:20  

Additional Information
 Earth MOID = .859987 au 
 Jupiter MOID = 2.7455 au 
 T_jup = 3.609 
[ 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 16.54   n/a E2021B55  

102990 (1999 XF88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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