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277087 (2005 EK204)
Classification: Main-belt Asteroid          SPK-ID: 2277087
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803512574424491 8.2276e-08  
a 3.192090232482985 4.3245e-08 au
q 2.616392745184919 2.7055e-07 au
i 2.189741558372301 8.3379e-06 deg
node 58.95541377782398 0.00018915 deg
peri 180.8688758218442 0.00019102 deg
M 201.6896162778171 3.5e-05 deg
tp 2459916.547653510086
(2022-Dec-03.04765351)
0.00021743 TDB
period 2083.105021350671
5.70
4.2332e-05
1.159e-07
d
yr
n .1728189391846305 3.5119e-09 deg/d
Q 3.767787719781051 5.1045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:26:49  

Additional Information
 Earth MOID = 1.60407 au 
 Jupiter MOID = 1.24677 au 
 T_jup = 3.170 
[ 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 15.9   n/a MPO503246  

277087 (2005 EK204)          Discovered 2005-Mar-11 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 EK204 = 1994 JM4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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