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102958 (1999 XT63)
Classification: Main-belt Asteroid          SPK-ID: 2102958
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1392536730566079 3.5837e-08  
a 2.389471918997245 1.2318e-08 au
q 2.056729177611258 8.8736e-08 au
i 7.209041930845389 5.0109e-06 deg
node 102.4873314256059 3.1378e-05 deg
peri 293.5043068479947 3.6424e-05 deg
M 279.5256837111714 2.0351e-05 deg
tp 2459502.082487007532
(2021-Oct-14.58248701)		 7.7433e-05 TDB
period 1349.122307955329
3.69		 1.0432e-05
2.856e-08		 d
yr
n .2668401507240661 2.0633e-09 deg/d
Q 2.722214660383233 1.4033e-08 au
   Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      7615 days (20.85 yr)  
   first obs. used      1999-11-04  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:51:33  

Additional Information
 Earth MOID = 1.07568 au 
 Jupiter MOID = 2.69077 au 
 T_jup = 3.509 
[ 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 16.28   n/a E2021B55  

102958 (1999 XT63)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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