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541389 (2011 GX55)
Classification: Main-belt Asteroid          SPK-ID: 2541389
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02952828344777471 6.2577e-08  
a 2.768467629936851 4.2447e-08 au
q 2.686719533044087 1.8698e-07 au
i 3.395801700692355 6.4151e-06 deg
node 52.46380793029251 0.00011229 deg
peri 161.0553672778703 0.00016149 deg
M 359.4263287043083 0.00011676 deg
tp 2459203.181132153665
(2020-Dec-19.68113215)
0.00054573 TDB
period 1682.50979710512
4.61
3.8695e-05
1.059e-07
d
yr
n .2139660646371308 4.9209e-09 deg/d
Q 2.850215726829616 4.37e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      5498 days (15.05 yr)  
   first obs. used      2006-01-28  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56902  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:04  

Additional Information
 Earth MOID = 1.67828 au 
 Jupiter MOID = 2.10782 au 
 T_jup = 3.335 
[ 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 16.81   .3522 E2021B25 autocmod 2.8

541389 (2011 GX55)          Discovered 2007-Apr-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 GX55 = 2016 GU223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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