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541280 (2011 EG54)
Classification: Main-belt Asteroid          SPK-ID: 2541280
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09281368448078303 8.2252e-08  
a 2.858855469889741 3.4041e-08 au
q 2.593514560331234 2.285e-07 au
i 6.953343077800846 6.8356e-06 deg
node 156.9138594623748 4.6758e-05 deg
peri 204.6107604587203 5.7509e-05 deg
M 195.3580357562483 3.9352e-05 deg
tp 2460007.966967563012
(2023-Mar-04.46696756)
0.00020032 TDB
period 1765.577261288756
4.83
3.1534e-05
8.634e-08
d
yr
n .2038993183097654 3.6418e-09 deg/d
Q 3.124196379448248 3.72e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      7300 days (19.99 yr)  
   first obs. used      2001-03-20  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:43  

Additional Information
 Earth MOID = 1.59006 au 
 Jupiter MOID = 2.31339 au 
 T_jup = 3.285 
[ 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 16.54   n/a E2021B25  

541280 (2011 EG54)          Discovered 2003-Aug-24 by Cerro Tololo at Cerro Tololo
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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