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305853 (2009 EV9)
Classification: Main-belt Asteroid          SPK-ID: 2305853
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437488355876919 5.0214e-08  
a 2.322520912127925 1.4634e-08 au
q 1.988661235381471 1.17e-07 au
i 2.711483768922493 6.0598e-06 deg
node 199.4252831243482 9.7949e-05 deg
peri 218.044861724632 9.962e-05 deg
M 259.7981004296216 1.7407e-05 deg
tp 2459756.341567954029
(2022-Jun-25.84156795)
6.3176e-05 TDB
period 1292.819447723781
3.54
1.2219e-05
3.345e-08
d
yr
n .27846115761473 2.6319e-09 deg/d
Q 2.656380588874378 1.6738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      7576 days (20.74 yr)  
   first obs. used      2000-09-21  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58302  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:07:22  

Additional Information
 Earth MOID = 1.001 au 
 Jupiter MOID = 2.6636 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.58   n/a E2021B25  

305853 (2009 EV9)          Discovered 2009-Mar-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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