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103183 (1999 XA239)
Classification: Main-belt Asteroid          SPK-ID: 2103183
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08784511788997328 7.7686e-08  
a 2.556738237664872 1.3315e-08 au
q 2.332141265763399 2.0175e-07 au
i 1.484615763340338 6.36e-06 deg
node 325.7338808716367 0.0002029 deg
peri 163.8675946568305 0.00021246 deg
M 357.7985162961385 5.7433e-05 deg
tp 2459209.631472195759
(2020-Dec-26.13147220)		 0.00023821 TDB
period 1493.233851655275
4.09		 1.1665e-05
3.194e-08		 d
yr
n .2410874891437358 1.8834e-09 deg/d
Q 2.781335209566345 1.4485e-08 au
   Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:35  

Additional Information
 Earth MOID = 1.34687 au 
 Jupiter MOID = 2.24655 au 
 T_jup = 3.431 
[ 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 16.1   n/a MPO400937  

103183 (1999 XA239)          Discovered 1999-Dec-06 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 XA239 = 2003 WR94 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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