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103162 (1999 XZ225)
Classification: Main-belt Asteroid          SPK-ID: 2103162
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534583029141269 5.3895e-08  
a 2.237699634710295 1.043e-08 au
q 1.894306046336092 1.2224e-07 au
i 7.545757265380073 5.749e-06 deg
node 294.7340459419793 3.3761e-05 deg
peri 12.31966437599965 3.6554e-05 deg
M 252.3084829481501 1.343e-05 deg
tp 2459566.246439897992
(2021-Dec-17.74643990)
4.5945e-05 TDB
period 1222.647075348405
3.35
8.5482e-06
2.34e-08
d
yr
n .2944431040309932 2.0586e-09 deg/d
Q 2.581093223084499 1.2031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:29  

Additional Information
 Earth MOID = .877986 au 
 Jupiter MOID = 2.64942 au 
 T_jup = 3.610 
[ 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 16.2   n/a MPO453484  

103162 (1999 XZ225)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 XZ225 = 1998 QW109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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