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541275 (2011 EF39)
Classification: Main-belt Asteroid          SPK-ID: 2541275
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08402066479066042 2.0579e-07  
a 3.00606620513696 6.5278e-08 au
q 2.753494524176614 6.6239e-07 au
i 11.45271759077353 1.2012e-05 deg
node 22.09894732648365 4.7743e-05 deg
peri 154.1588527636098 6.9499e-05 deg
M 326.0748464268176 4.6017e-05 deg
tp 2459379.897158622210
(2021-Jun-14.39715862)
0.00024474 TDB
period 1903.690044163806
5.21
6.2009e-05
1.698e-07
d
yr
n .1891064152505613 6.1598e-09 deg/d
Q 3.258637886097305 7.0763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4574 days (12.52 yr)  
   first obs. used      2008-10-02  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .68195  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:13  

Additional Information
 Earth MOID = 1.7603 au 
 Jupiter MOID = 1.70507 au 
 T_jup = 3.216 
[ 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 17.00   n/a MPCxxxxx  

541275 (2011 EF39)          Discovered 2011-Mar-06 by Spacewatch at Kitt Peak
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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