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277057 (2005 EN65)
Classification: Main-belt Asteroid          SPK-ID: 2277057
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0636359523443229 1.1309e-07  
a 3.082576483170746 3.9903e-08 au
q 2.886413792989962 3.5204e-07 au
i 9.089546232654737 1.2811e-05 deg
node 344.6390500130688 4.1468e-05 deg
peri 2.955295676830856 6.7237e-05 deg
M 111.6449429892414 5.2809e-05 deg
tp 2458387.436057576651
(2018-Sep-25.93605758)
0.00029194 TDB
period 1976.82952190386
5.41
3.8384e-05
1.051e-07
d
yr
n .1821097853968148 3.536e-09 deg/d
Q 3.278739173351529 4.2442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      10342 days (28.31 yr)  
   first obs. used      1991-09-10  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 04:39:42  

Additional Information
 Earth MOID = 1.8794 au 
 Jupiter MOID = 2.08341 au 
 T_jup = 3.205 
[ 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 15.8   n/a MPO455056  

277057 (2005 EN65)          Discovered 2005-Mar-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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