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541265 (2011 EG4)
Classification: Main-belt Asteroid          SPK-ID: 2541265
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084319314953636 1.404e-07  
a 3.055293179731477 4.6348e-08 au
q 2.724001838968582 4.4152e-07 au
i 8.759352039678461 9.3275e-06 deg
node 319.7238301047223 4.4469e-05 deg
peri 226.2583091300729 5.9528e-05 deg
M 304.1732879196197 3.724e-05 deg
tp 2459502.994381682159
(2021-Oct-15.49438168)
0.00020399 TDB
period 1950.64286158898
5.34
4.4386e-05
1.215e-07
d
yr
n .1845545420378729 4.1995e-09 deg/d
Q 3.386584520494372 5.1374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      5893 days (16.13 yr)  
   first obs. used      2005-01-15  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66315  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:39  

Additional Information
 Earth MOID = 1.73511 au 
 Jupiter MOID = 1.6486 au 
 T_jup = 3.209 
[ 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 16.94   n/a MPCxxxxx  

541265 (2011 EG4)          Discovered 2005-Jan-15 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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