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305835 (2009 DE137)
Classification: Main-belt Asteroid          SPK-ID: 2305835
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089750115114272 5.372e-08  
a 2.371470271200422 1.6255e-08 au
q 2.113039271097348 1.2161e-07 au
i 5.263274729711337 5.2525e-06 deg
node 294.0582382529906 5.6697e-05 deg
peri 185.1800440764107 6.2699e-05 deg
M 64.2026611544094 2.5478e-05 deg
tp 2458762.610385366265
(2019-Oct-06.11038537)
9.392e-05 TDB
period 1333.905164182792
3.65
1.3714e-05
3.755e-08
d
yr
n .2698842538933805 2.7748e-09 deg/d
Q 2.629901271303495 1.8026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1996-10-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:33  

Additional Information
 Earth MOID = 1.12918 au 
 Jupiter MOID = 2.44157 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457639.5 (2016-Sep-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090957367757504 5.3983e-08  
q 2.113570482213959 1.2246e-07 au
tp 2457430.171865246899
(2016-Feb-11.67186525)
9.1918e-05 TDB
node 294.1046058369858 5.6701e-05 deg
peri 185.632941491431 6.2636e-05 deg
i 5.262284269046611 5.2531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      8631 days (23.63 yr)  
   first obs. used      1996-10-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:10:33  

Additional Information
 Jupiter MOID = 2.44157 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.914150049087138E-15 -6.57315522286322E-15 1.99580879017906E-12 -1.302680879711135E-14 6.169093050520533E-13 -1.201240991810419E-15
q -6.57315522286322E-15 1.499539455926946E-14 -4.70583431428204E-12 3.113361465272449E-14 -1.446936329453387E-12 3.081553396643707E-15
tp 1.99580879017906E-12 -4.70583431428204E-12 8.448879049422742E-9 3.937831892171903E-12 2.472974191292161E-9 -8.76423550863088E-13
node -1.302680879711135E-14 3.113361465272449E-14 3.937831892171903E-12 3.215006628611115E-9 -3.199859543861684E-9 1.204148456805586E-10
peri 6.169093050520533E-13 -1.446936329453387E-12 2.472974191292161E-9 -3.199859543861684E-9 3.923301440343354E-9 -1.201881873507405E-10
i -1.201240991810419E-15 3.081553396643707E-15 -8.76423550863088E-13 1.204148456805586E-10 -1.201881873507405E-10 2.759510016800864E-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 16.8   n/a MPO455253  

305835 (2009 DE137)          Discovered 2009-Feb-19 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DE137 = 2004 XK67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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