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JPL Small-Body Database Browser
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390203 (2012 XQ)
Classification: Main-belt Asteroid          SPK-ID: 2390203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08937417024078935 6.3062e-08  
a 2.678697254601076 3.0105e-08 au
q 2.439290910144825 1.7335e-07 au
i 1.416235148028884 6.0979e-06 deg
node 267.4523339742188 0.00033377 deg
peri 154.3110366562548 0.00033714 deg
M 164.5987417505422 4.8377e-05 deg
tp 2457868.336817901016
(2017-Apr-24.83681790)
0.00020959 TDB
period 1601.34119345275
4.38
2.6995e-05
7.391e-08
d
yr
n .2248115526359389 3.7899e-09 deg/d
Q 2.918103599057327 3.2795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5736 days (15.70 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:45  

Additional Information
 Earth MOID = 1.4519 au 
 Jupiter MOID = 2.3321 au 
 T_jup = 3.371 
[ 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 17.2   n/a MPO437597  

390203 (2012 XQ)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 XQ = 2009 AN18 = 2012 US162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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