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305863 (2009 EO25)
Classification: Main-belt Asteroid          SPK-ID: 2305863
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02852210681685902 8.3546e-08  
a 2.697300736703045 3.1022e-08 au
q 2.620368036973608 2.1921e-07 au
i 5.759424441551793 8.3653e-06 deg
node 13.49579277012421 5.6618e-05 deg
peri 1.142893678624495 0.00012987 deg
M 34.15681287342537 0.00011281 deg
tp 2459046.979165278086
(2020-Jul-16.47916528)
0.00050806 TDB
period 1618.052032685054
4.43
2.7914e-05
7.642e-08
d
yr
n .2224897547964529 3.8383e-09 deg/d
Q 2.774233436432482 3.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6694 days (18.33 yr)  
   first obs. used      2002-09-14  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:46  

Additional Information
 Earth MOID = 1.61853 au 
 Jupiter MOID = 2.33403 au 
 T_jup = 3.361 
[ 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 16.66   n/a MPCxxxxx  

305863 (2009 EO25)          Discovered 2009-Mar-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 EO25 = 2002 RJ180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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