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103163 (1999 XR226)
Classification: Main-belt Asteroid          SPK-ID: 2103163
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06580215364109762 4.2703e-08  
a 2.513135604838224 1.3044e-08 au
q 2.347765869647747 1.0761e-07 au
i 9.521659849881859 4.7393e-06 deg
node 98.42854709341506 2.3147e-05 deg
peri 159.9881495914693 3.8527e-05 deg
M 309.8626398954125 3.2496e-05 deg
tp 2459403.166176378591
(2021-Jul-07.66617638)
0.00013192 TDB
period 1455.198744889984
3.98
1.133e-05
3.102e-08
d
yr
n .2473888884691257 1.9261e-09 deg/d
Q 2.678505340028702 1.3903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      667  
   data-arc span      7442 days (20.38 yr)  
   first obs. used      1999-12-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:13:57  

Additional Information
 Earth MOID = 1.33251 au 
 Jupiter MOID = 2.37587 au 
 T_jup = 3.438 
[ 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 15.90   n/a E2021B55  

103163 (1999 XR226)          Discovered 1999-Dec-14 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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