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215872 (2005 EH176)
Classification: Main-belt Asteroid          SPK-ID: 2215872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907212440812223 5.6899e-08  
a 2.411722628254525 1.126e-08 au
q 1.951755888214987 1.3739e-07 au
i .5263485553524164 5.5636e-06 deg
node 233.3080200046702 0.00072094 deg
peri 61.85589844222764 0.00072119 deg
M 280.664808249303 1.5277e-05 deg
tp 2459301.976065797607
(2021-Mar-28.47606580)
5.8433e-05 TDB
period 1368.01060528331
3.75
9.5806e-06
2.623e-08
d
yr
n .2631558546473733 1.843e-09 deg/d
Q 2.871689368294064 1.3408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      9552 days (26.15 yr)  
   first obs. used      1991-09-13  
   last obs. used      2017-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:52:49  

Additional Information
 Earth MOID = .935815 au 
 Jupiter MOID = 2.32635 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456508.5 (2013-Aug-04.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1919034051465937 5.7086e-08  
q 1.949038072113442 1.3806e-07 au
tp 2456564.148304195479
(2013-Sep-28.64830420)
5.6766e-05 TDB
node 233.6827860297872 0.00072244 deg
peri 61.26680654193041 0.00072267 deg
i .5252244715114727 5.5676e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      9552 days (26.15 yr)  
   first obs. used      1991-09-13  
   last obs. used      2017-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67093  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:52:49  

Additional Information
 Jupiter MOID = 2.32635 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.258796684975132E-15 -7.864107538037432E-15 1.439942001167353E-13 4.977175688613886E-14 1.590368787178734E-15 -1.141081114871935E-15
q -7.864107538037432E-15 1.905988352166373E-14 -4.140037127875067E-13 -1.126214076355149E-13 -3.450388280658887E-14 2.815597135160085E-15
tp 1.439942001167353E-13 -4.140037127875067E-13 3.22240298814245E-9 -3.944743350424376E-11 1.088284102246627E-9 -7.955313740683258E-14
node 4.977175688613886E-14 -1.126214076355149E-13 -3.944743350424376E-11 5.219192586901953E-7 -5.219089996483178E-7 5.742613927199016E-10
peri 1.590368787178734E-15 -3.450388280658887E-14 1.088284102246627E-9 -5.219089996483178E-7 5.222590053102763E-7 -5.742878259422636E-10
i -1.141081114871935E-15 2.815597135160085E-15 -7.955313740683258E-14 5.742613927199016E-10 -5.742878259422636E-10 3.099793636341994E-11

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 17.8   n/a MPO427269  

215872 (2005 EH176)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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