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100498 (1996 XK)
Classification: Main-belt Asteroid          SPK-ID: 2100498
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139552448675308 4.2582e-08  
a 2.230734154901633 6.3755e-09 au
q 1.75345688255529 9.4097e-08 au
i 6.419962581106081 5.7424e-06 deg
node 7.912507005212031 2.8269e-05 deg
peri 287.91121478978 3.2019e-05 deg
M 177.2869963871942 1.6079e-05 deg
tp 2458601.199646897254
(2019-Apr-27.69964690)		 5.3983e-05 TDB
period 1216.942762377199
3.33		 5.2171e-06
1.428e-08		 d
yr
n .2958232803790781 1.2682e-09 deg/d
Q 2.708011427247976 7.7396e-09 au
   Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      9421 days (25.79 yr)  
   first obs. used      1995-04-05  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48386  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:28  

Additional Information
 Earth MOID = .749167 au 
 Jupiter MOID = 2.5313 au 
 T_jup = 3.604 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.89   n/a E2021B55  

100498 (1996 XK)          Discovered 1996-Dec-01 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1996 XK = 1999 RC142 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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