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180311 (2003 XQ2)
Classification: Main-belt Asteroid          SPK-ID: 2180311
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137379660557357 4.5685e-08  
a 2.281800230137492 1.1302e-08 au
q 1.968327289061504 1.0848e-07 au
i 5.749992239026202 3.7999e-06 deg
node 94.50144824661452 4.9807e-05 deg
peri 320.7766991294303 5.293e-05 deg
M 349.6306352949576 1.6716e-05 deg
tp 2459236.763064712752
(2021-Jan-22.26306471)
5.8479e-05 TDB
period 1258.968477619706
3.45
9.354e-06
2.561e-08
d
yr
n .2859483826637512 2.1246e-09 deg/d
Q 2.59527317121348 1.2855e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6282 days (17.20 yr)  
   first obs. used      2003-11-01  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53057  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:59  

Additional Information
 Earth MOID = .983456 au 
 Jupiter MOID = 2.72134 au 
 T_jup = 3.586 
[ 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 16.86   n/a E2021B55  

180311 (2003 XQ2)          Discovered 2003-Dec-01 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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