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541270 (2011 EE31)
Classification: Main-belt Asteroid          SPK-ID: 2541270
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3102689126411328 2.9257e-07  
a 2.90230057264614 5.7693e-08 au
q 2.001806929813485 8.1649e-07 au
i 14.29285697835902 2.4516e-05 deg
node 34.3663589810742 5.7301e-05 deg
peri 87.90193915272242 0.00011005 deg
M 13.69917151671187 0.00010082 deg
tp 2459131.776730856914
(2020-Oct-09.27673086)
0.00050401 TDB
period 1805.976139603029
4.94
5.385e-05
1.474e-07
d
yr
n .1993381817763835 5.9438e-09 deg/d
Q 3.802794215478795 7.5593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      3715 days (10.17 yr)  
   first obs. used      2011-02-26  
   last obs. used      2021-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:13  

Additional Information
 Earth MOID = 1.07575 au 
 Jupiter MOID = 1.64064 au 
 T_jup = 3.169 
[ 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 17.28   n/a MPCxxxxx  

541270 (2011 EE31)          Discovered 2011-Feb-26 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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