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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725292609943927 4.2142e-08  
a 2.180467333392207 8.8034e-09 au
q 1.804272915739635 8.9102e-08 au
i 1.986052143270648 4.6982e-06 deg
node 19.10069762254769 0.00014239 deg
peri 23.46182722186512 0.00014335 deg
M 41.85800388050984 1.6108e-05 deg
tp 2459063.758979397244
(2020-Aug-02.25897940)
5.2452e-05 TDB
period 1176.041923965552
3.22
7.1222e-06
1.95e-08
d
yr
n .3061115362164121 1.8538e-09 deg/d
Q 2.556661751044778 1.0322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9564 days (26.18 yr)  
   first obs. used      1995-01-03  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:51:23  

Additional Information
 Earth MOID = .81204 au 
 Jupiter MOID = 2.83814 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 17.37   n/a MPCxxxxx  

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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