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541403 (2011 GC91)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541403
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189234406360205 5.7746e-08  
a 3.240338512536525 5.902e-08 au
q 2.627154977710566 1.7668e-07 au
i 13.43344649973254 7.5342e-06 deg
node 88.42833687145469 2.6987e-05 deg
peri 239.4875772595103 3.3341e-05 deg
M 142.56876941481 2.2533e-05 deg
tp 2458356.765318670607
(2018-Aug-26.26531867)
0.00012675 TDB
period 2130.512078664463
5.83
5.8208e-05
1.594e-07
d
yr
n .1689734611716777 4.6165e-09 deg/d
Q 3.853522047362484 7.0188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4848 days (13.27 yr)  
   first obs. used      2007-10-31  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:07  

Additional Information
 Earth MOID = 1.64361 au 
 Jupiter MOID = 1.59098 au 
 T_jup = 3.113 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.62   .32272 MPCxxxxx autocmod 2.6n

541403 (2011 GC91)          Discovered 2007-Oct-31 by CSS at Catalina
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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