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103159 (1999 XP224)
Classification: Main-belt Asteroid          SPK-ID: 2103159
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08222905996314883 4.5545e-08  
a 2.865762381273905 1.9745e-08 au
q 2.630113434583997 1.3233e-07 au
i 3.054092941317778 4.5464e-06 deg
node 97.62907216850871 9.0762e-05 deg
peri 275.5366130213245 9.4899e-05 deg
M 160.3646625242368 2.8941e-05 deg
tp 2458211.158626780624
(2018-Apr-02.65862678)
0.00014093 TDB
period 1771.97949901231
4.85
1.8314e-05
5.014e-08
d
yr
n .2031626213512412 2.0997e-09 deg/d
Q 3.101411327963813 2.1369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      9771 days (26.75 yr)  
   first obs. used      1993-08-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57829  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:50:23  

Additional Information
 Earth MOID = 1.63261 au 
 Jupiter MOID = 2.32717 au 
 T_jup = 3.293 
[ 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 15.41   n/a E2021B55  

103159 (1999 XP224)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XP224 = 1993 QV9 = 1999 XT243 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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