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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02876444463994843 1.2225e-07  
a 2.699159546006602 5.7348e-08 au
q 2.621519720671107 3.6114e-07 au
i 5.758759261255867 9.0088e-06 deg
node 13.53763160566211 6.8927e-05 deg
peri 359.2992179661258 0.00013943 deg
M 262.4752941823946 0.00012339 deg
tp 2459039.286653679606
(2020-Jul-08.78665368)
0.00055716 TDB
period 1619.724909707365
4.43
5.1621e-05
1.413e-07
d
yr
n .2222599639250106 7.0834e-09 deg/d
Q 2.776799371342098 5.8998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5700 days (15.61 yr)  
   first obs. used      2002-09-14  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61402  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:40:47  

Additional Information
 Earth MOID = 1.61997 au 
 Jupiter MOID = 2.3354 au 
 T_jup = 3.360 
[ 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 16.5   n/a MPO433970  

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

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