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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1088621847309981 5.3704e-08  
a 2.371463875255345 1.6219e-08 au
q 2.113301136784409 1.2148e-07 au
i 5.263256680709136 5.2525e-06 deg
node 294.0579396224121 5.6696e-05 deg
peri 185.1762928721742 6.2722e-05 deg
M 118.1960973027337 2.5653e-05 deg
tp 2458762.550703481470
(2019-Oct-06.05070348)
9.4084e-05 TDB
period 1333.89976779736
3.65
1.3684e-05
3.746e-08
d
yr
n .2698853457291323 2.7687e-09 deg/d
Q 2.629626613726281 1.7985e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:56:40  

Additional Information
 Earth MOID = 1.12935 au 
 Jupiter MOID = 2.44125 au 
 T_jup = 3.531 
[ 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 16.96   n/a E2021B25  

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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