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180807 (2005 EG164)
Classification: Main-belt Asteroid          SPK-ID: 2180807
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569062659245855 3.6858e-08  
a 2.248918295949342 1.0745e-08 au
q 1.896048923762449 8.0071e-08 au
i 5.036666812802101 6.546e-06 deg
node 191.2923981351696 4.6805e-05 deg
peri 63.74212727130963 5.2995e-05 deg
M 201.2768632638626 2.3328e-05 deg
tp 2459743.621106081440
(2022-Jun-13.12110608)
8.0814e-05 TDB
period 1231.853164005688
3.37
8.8283e-06
2.417e-08
d
yr
n .2922426231624613 2.0944e-09 deg/d
Q 2.601787668136235 1.2431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      353  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2002-07-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:50:18  

Additional Information
 Earth MOID = .886521 au 
 Jupiter MOID = 2.44371 au 
 T_jup = 3.607 
[ 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 16.9   n/a MPO436893  

180807 (2005 EG164)          Discovered 2005-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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