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117660 (2005 ED197)
Classification: Main-belt Asteroid          SPK-ID: 2117660
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900304508524539 4.056e-08  
a 2.194941041141544 9.2974e-09 au
q 1.777835405498862 8.9414e-08 au
i 5.164238689127979 4.1646e-06 deg
node 193.508321817505 4.667e-05 deg
peri 59.25664970131372 4.8258e-05 deg
M 193.1865390939197 1.1191e-05 deg
tp 2459550.878306396969
(2021-Dec-02.37830640)
3.8459e-05 TDB
period 1187.770994179324
3.25
7.5468e-06
2.066e-08
d
yr
n .303088728184289 1.9258e-09 deg/d
Q 2.612046676784227 1.1064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      361  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:53:25  

Additional Information
 Earth MOID = .770514 au 
 Jupiter MOID = 2.43427 au 
 T_jup = 3.641 
[ 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 17.2   n/a MPO436565  

117660 (2005 ED197)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mt. Lemmon
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 ED197 = 2002 LE11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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