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541617 (2011 UG118)
Classification: Main-belt Asteroid          SPK-ID: 2541617
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128415605668224 4.6283e-07  
a 2.540559919159519 3.2037e-08 au
q 2.214312378404235 1.1949e-06 au
i 13.88848109245713 8.2783e-06 deg
node 303.08532722963 3.9783e-05 deg
peri 78.54585909607786 0.00012617 deg
M 101.3789638283004 0.00010563 deg
tp 2458783.978007248813
(2019-Oct-27.47800725)
0.00042816 TDB
period 1479.083152244337
4.05
2.7977e-05
7.66e-08
d
yr
n .2433940238273566 4.6038e-09 deg/d
Q 2.866807459914803 3.6151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      3450 days (9.45 yr)  
   first obs. used      2011-09-26  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52168  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:50  

Additional Information
 Earth MOID = 1.26207 au 
 Jupiter MOID = 2.65459 au 
 T_jup = 3.394 
[ 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 16.99   n/a MPCxxxxx  

541617 (2011 UG118)          Discovered 2011-Sep-26 by CSS at Catalina
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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