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324687 (2007 ED9)
Classification: Main-belt Asteroid          SPK-ID: 2324687
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132927279894529 5.6045e-08  
a 3.085858304742889 4.0255e-08 au
q 2.736252999209659 1.5719e-07 au
i 1.556929585116425 6.5786e-06 deg
node 144.9764659964394 0.00020359 deg
peri 73.6597534710146 0.00020643 deg
M 128.0375230101322 3.1858e-05 deg
tp 2458296.298151884762
(2018-Jun-26.79815188)
0.00017298 TDB
period 1979.98726749364
5.42
3.8744e-05
1.061e-07
d
yr
n .1818193510182036 3.5578e-09 deg/d
Q 3.435463610276119 4.4816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6312 days (17.28 yr)  
   first obs. used      2002-05-17  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:13:23  

Additional Information
 Earth MOID = 1.72915 au 
 Jupiter MOID = 1.53438 au 
 T_jup = 3.216 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457343.5 (2015-Nov-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1121958989937031 5.6068e-08  
q 2.741474852985761 1.5706e-07 au
tp 2458301.764627867101
(2018-Jul-02.26462787)
0.00017451 TDB
node 145.0322983189312 0.00020366 deg
peri 74.75307167499027 0.00020656 deg
i 1.556175096228281 6.5753e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6312 days (17.28 yr)  
   first obs. used      2002-05-17  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55056  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:13:23  

Additional Information
 Jupiter MOID = 1.53438 au 
 T_jup = 3.216 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.14364468155158E-15 -8.638217160067044E-15 -5.098687472327186E-13 1.011118028706709E-14 -2.547331516736167E-13 -1.0138630627844E-15
q -8.638217160067044E-15 2.466927099171971E-14 2.125138544302139E-12 -2.995810158029453E-14 7.481310304906615E-13 3.074764530354682E-15
tp -5.098687472327186E-13 2.125138544302139E-12 3.045263965463691E-8 -6.741935632357868E-11 6.001180433809682E-9 -4.678575710495351E-13
node 1.011118028706709E-14 -2.995810158029453E-14 -6.741935632357868E-11 4.147938475759559E-8 -4.147702264162203E-8 -1.049840050379338E-10
peri -2.547331516736167E-13 7.481310304906615E-13 6.001180433809682E-9 -4.147702264162203E-8 4.26655801282125E-8 1.048611955552862E-10
i -1.0138630627844E-15 3.074764530354682E-15 -4.678575710495351E-13 -1.049840050379338E-10 1.048611955552862E-10 4.323470876429266E-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 MPO450271  

324687 (2007 ED9)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 ED9 = 2005 YJ197 = 2012 CT2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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