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97253 (1999 XT108)
Classification: Main-belt Asteroid          SPK-ID: 2097253
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635171690312434 6.0091e-08  
a 2.638639310939642 1.3092e-08 au
q 2.207176480720241 1.5914e-07 au
i 3.1822571487469 6.3195e-06 deg
node 4.607999575184356 7.9546e-05 deg
peri 16.87840561861896 8.0547e-05 deg
M 306.1551803862619 1.3631e-05 deg
tp 2459234.658482537292
(2021-Jan-20.15848254)
6.0076e-05 TDB
period 1565.555504097507
4.29
1.1651e-05
3.19e-08
d
yr
n .2299503269336519 1.7114e-09 deg/d
Q 3.070102141159043 1.5232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      8091 days (22.15 yr)  
   first obs. used      1997-04-14  
   last obs. used      2019-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:08  

Additional Information
 Earth MOID = 1.21021 au 
 Jupiter MOID = 2.3933 au 
 T_jup = 3.375 
[ 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 15.4   n/a MPO436449  

97253 (1999 XT108)          Discovered 1999-Dec-04 by CSS at Catalina
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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