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102908 (1999 XO19)
Classification: Main-belt Asteroid          SPK-ID: 2102908
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500691364625486 6.2677e-08  
a 2.303820064801096 6.1894e-09 au
q 1.958087777111303 1.4489e-07 au
i 4.554386687106266 4.9419e-06 deg
node 236.7572403783394 5.63e-05 deg
peri 143.1250438784708 5.7452e-05 deg
M 17.18092863922223 1.0714e-05 deg
tp 2459139.544149578063
(2020-Oct-17.04414958)
3.7984e-05 TDB
period 1277.236324805017
3.50
5.1471e-06
1.409e-08
d
yr
n .2818585668200109 1.1359e-09 deg/d
Q 2.64955235249089 7.1183e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1217  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-09-18  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4686  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:44  

Additional Information
 Earth MOID = .961746 au 
 Jupiter MOID = 2.81477 au 
 T_jup = 3.570 
[ 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 15.64   n/a E2021B55  

102908 (1999 XO19)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XO19 = 1999 TV117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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