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JPL Small-Body Database Browser
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172097 (2002 EX107)
Classification: Main-belt Asteroid          SPK-ID: 2172097
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723916120056846 5.4939e-08  
a 2.180091904403326 1.6062e-08 au
q 1.804262346682694 1.2514e-07 au
i 1.986120352140937 6.9936e-06 deg
node 19.10286242757179 0.00015738 deg
peri 23.44533002795255 0.00015913 deg
M 340.6411104571658 2.8871e-05 deg
tp 2459063.724961164465
(2020-Aug-02.22496116)
9.4817e-05 TDB
period 1175.738203828556
3.22
1.2994e-05
3.558e-08
d
yr
n .3061906118451642 3.3839e-09 deg/d
Q 2.555921462123957 1.8831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      8454 days (23.15 yr)  
   first obs. used      1995-01-03  
   last obs. used      2018-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65071  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:10:55  

Additional Information
 Earth MOID = .813013 au 
 Jupiter MOID = 2.83806 au 
 T_jup = 3.661 
[ 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 17.3   n/a MPO436855  

172097 (2002 EX107)          Discovered 2002-Mar-08 by Ondrejov at Ondrejov
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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