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175720 (1997 EB12)
Classification: Main-belt Asteroid          SPK-ID: 2175720
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347921523212506 6.9963e-08  
a 3.088656387299301 2.1178e-08 au
q 2.36346410634452 2.1689e-07 au
i 4.67779705286599 5.1058e-06 deg
node 281.4470457072141 9.5336e-05 deg
peri 119.8210146607087 9.5838e-05 deg
M 204.6687591291512 1.1676e-05 deg
tp 2460055.978563303099
(2023-Apr-21.47856330)		 6.8762e-05 TDB
period 1982.680889320786
5.43		 2.0392e-05
5.583e-08		 d
yr
n .1815723356890409 1.8674e-09 deg/d
Q 3.813848668254082 2.615e-08 au
   Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56846  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:33  

Additional Information
 Earth MOID = 1.37535 au 
 Jupiter MOID = 1.64524 au 
 T_jup = 3.177 
[ 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 15.94   n/a E2021B55  

175720 (1997 EB12)          Discovered 1997-Mar-02 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

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