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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089750073203723 5.438e-08  
a 2.37147027190786 1.6308e-08 au
q 2.113039281666656 1.2345e-07 au
i 5.263275126755441 5.4032e-06 deg
node 294.058239045907 5.676e-05 deg
peri 185.180042550867 6.2768e-05 deg
M 64.20266139184901 2.5486e-05 deg
tp 2458762.610384380034
(2019-Oct-06.11038438)
9.3954e-05 TDB
period 1333.905164779673
3.65
1.376e-05
3.767e-08
d
yr
n .2698842537726158 2.7839e-09 deg/d
Q 2.629901262149065 1.8086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1996-10-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:29  

Additional Information
 Earth MOID = 1.12918 au 
 Jupiter MOID = 2.44157 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090237179978858 5.4678e-08  
q 2.113706316651428 1.2431e-07 au
tp 2457430.225623446665
(2016-Feb-11.72562345)
9.2031e-05 TDB
node 294.1147123919234 5.6755e-05 deg
peri 185.6452918316321 6.2701e-05 deg
i 5.26272725388614 5.4044e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      8605 days (23.56 yr)  
   first obs. used      1996-10-05  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55089  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:29  

Additional Information
 Jupiter MOID = 2.44157 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.989643622916073E-15 -6.758733342226184E-15 2.028335924380155E-12 -1.230357900345217E-14 6.30499135960204E-13 -7.147891493668496E-16
q -6.758733342226184E-15 1.545323531545209E-14 -4.784839797083737E-12 2.995213670628799E-14 -1.480701934347332E-12 1.994964698494324E-15
tp 2.028335924380155E-12 -4.784839797083737E-12 8.469615752482126E-9 5.921061046251832E-12 2.478917478355226E-9 5.832806969475355E-14
node -1.230357900345217E-14 2.995213670628799E-14 5.921061046251832E-12 3.221134707533233E-9 -3.205367634027873E-9 1.238265303297721E-10
peri 6.30499135960204E-13 -1.480701934347332E-12 2.478917478355226E-9 -3.205367634027873E-9 3.931366875357217E-9 -1.233042673052322E-10
i -7.147891493668496E-16 1.994964698494324E-15 5.832806969475355E-14 1.238265303297721E-10 -1.233042673052322E-10 2.920763933010312E-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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