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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02841998010271709 1.2226e-07  
a 2.696956295748753 5.6484e-08 au
q 2.620308851485676 3.6068e-07 au
i 5.759702769774977 9.0095e-06 deg
node 13.49669544561731 6.8933e-05 deg
peri .8955865322571136 0.0001409 deg
M 349.889830548311 0.00012635 deg
tp 2459045.932352353753
(2020-Jul-15.43235235)
0.00056804 TDB
period 1617.742108626933
4.43
5.0822e-05
1.391e-07
d
yr
n .2225323789745152 6.9909e-09 deg/d
Q 2.773603740011831 5.8089e-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 = 2.33518 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456703.5 (2014-Feb-15.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03076168735407028 1.228e-07  
q 2.614246292446861 3.6292e-07 au
tp 2457421.008652387643
(2016-Feb-02.50865239)
0.00051448 TDB
node 13.62084911871298 6.8778e-05 deg
peri 359.5172155271942 0.00013222 deg
i 5.767140666056697 9.0186e-06 deg
  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
 Jupiter MOID = 2.33518 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.507914262437652E-14 -4.418614136326809E-14 -3.719175148575476E-12 -2.445877772450667E-13 3.81099067787276E-13 -6.740226930437733E-15
q -4.418614136326809E-14 1.317118900482044E-13 1.22593752006837E-11 7.128418086297759E-13 -1.016483086842635E-12 2.287114296739093E-14
tp -3.719175148575476E-12 1.22593752006837E-11 2.64688381751243E-7 -5.121262177412302E-11 5.789420094895884E-8 3.171326750374652E-11
node -2.445877772450667E-13 7.128418086297759E-13 -5.121262177412302E-11 4.730431305392222E-9 -4.731481702674207E-9 8.407321541782074E-11
peri 3.81099067787276E-13 -1.016483086842635E-12 5.789420094895884E-8 -4.731481702674207E-9 1.748170131728556E-8 -7.722061690309071E-11
i -6.740226930437733E-15 2.287114296739093E-14 3.171326750374652E-11 8.407321541782074E-11 -7.722061690309071E-11 8.133534118532001E-11

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

[ 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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