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362257 (2009 MX9)
Classification: Main-belt Asteroid          SPK-ID: 2362257
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 .1279299703032229 3.4029e-08  
a 3.052013003881101 3.9854e-08 au
q 2.661569070929542 1.1137e-07 au
i 10.05285303379356 4.1428e-06 deg
node 138.6607609058555 3.3665e-05 deg
peri 175.792280703084 6.1294e-05 deg
M 53.44526004069098 4.5508e-05 deg
tp 2458911.375636187425
(2020-Mar-02.87563619)
0.00024946 TDB
period 1947.502377072938
5.33
3.8147e-05
1.044e-07
d
yr
n .1848521492133292 3.6208e-09 deg/d
Q 3.44245693683266 4.4953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      5068 days (13.88 yr)  
   first obs. used      2007-02-21  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50253  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:49  

Additional Information
 Earth MOID = 1.64596 au 
 Jupiter MOID = 1.86201 au 
 T_jup = 3.201 
[ 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 16.16   n/a MPCxxxxx  

362257 (2009 MX9)          Discovered 2009-Jun-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-04-29

[ show close-approach data ]
Alternate Designations
 2009 MX9 = 2008 FP111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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