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97201 (1999 XQ8)
Classification: Main-belt Asteroid          SPK-ID: 2097201
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588942778885669 5.4767e-08  
a 2.728918514738374 1.5542e-08 au
q 2.022417126448442 1.523e-07 au
i 11.22357115441306 4.1812e-06 deg
node 261.6687994910565 3.1044e-05 deg
peri 90.151497498675 3.1554e-05 deg
M 212.5007535591864 9.1942e-06 deg
tp 2459675.139211081748
(2022-Apr-05.63921108)
4.528e-05 TDB
period 1646.585469756179
4.51
1.4067e-05
3.851e-08
d
yr
n .2186342626072777 1.8678e-09 deg/d
Q 3.435419903028306 1.9566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      889  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1990-08-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:29:40  

Additional Information
 Earth MOID = 1.05442 au 
 Jupiter MOID = 2.20025 au 
 T_jup = 3.279 
[ 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 14.7   n/a MPO280419  

97201 (1999 XQ8)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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