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216718 (2005 EN125)
Classification: Main-belt Asteroid          SPK-ID: 2216718
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05196717487370349 4.8329e-08  
a 2.373600332900196 1.339e-08 au
q 2.250251029320091 1.0844e-07 au
i 6.855525647694373 3.8101e-06 deg
node 181.302305155929 3.4205e-05 deg
peri 26.54338356202254 5.4862e-05 deg
M 91.63469585543892 3.996e-05 deg
tp 2458860.509125808755
(2020-Jan-12.00912581)
0.00014883 TDB
period 1335.702744099669
3.66
1.1303e-05
3.095e-08
d
yr
n .2695210454498677 2.2807e-09 deg/d
Q 2.496949636480301 1.4086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7619 days (20.86 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-08-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57028  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:00  

Additional Information
 Earth MOID = 1.24754 au 
 Jupiter MOID = 2.45988 au 
 T_jup = 3.532 
[ 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 17.14   n/a E2021B55  

216718 (2005 EN125)          Discovered 2005-Mar-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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