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103198 (1999 XT248)
Classification: Main-belt Asteroid          SPK-ID: 2103198
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501343764558738 3.5371e-08  
a 2.330498265651156 9.1526e-09 au
q 1.980610361706124 8.416e-08 au
i 6.258221198985276 4.4762e-06 deg
node 224.821931213216 3.4286e-05 deg
peri 259.0475605386806 3.769e-05 deg
M 291.3238136254014 1.4931e-05 deg
tp 2459448.399284198820
(2021-Aug-21.89928420)		 5.414e-05 TDB
period 1299.485993948319
3.56		 7.6552e-06
2.096e-08		 d
yr
n .2770326126457022 1.632e-09 deg/d
Q 2.680386169596187 1.0527e-08 au
   Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-12-06  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50595  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:38  

Additional Information
 Earth MOID = 1.00736 au 
 Jupiter MOID = 2.42155 au 
 T_jup = 3.548 
[ 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 16.22   n/a E2021B55  

103198 (1999 XT248)          Discovered 1999-Dec-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 XT248 = 2002 TN100 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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