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305812 (2009 DK105)
Classification: Main-belt Asteroid          SPK-ID: 2305812
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04264224820817564 7.0259e-08  
a 2.769602951942092 4.4416e-08 au
q 2.651500855427281 1.9639e-07 au
i 2.465222799749169 8.3474e-06 deg
node 332.4898915692007 0.00015828 deg
peri 161.6158063109232 0.00018039 deg
M 198.3437936258067 8.5182e-05 deg
tp 2459756.487438152291
(2022-Jun-25.98743815)
0.000398 TDB
period 1683.544874886236
4.61
4.0498e-05
1.109e-07
d
yr
n .2138345139296192 5.1438e-09 deg/d
Q 2.887705048456902 4.631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5591 days (15.31 yr)  
   first obs. used      2004-02-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:02  

Additional Information
 Earth MOID = 1.66546 au 
 Jupiter MOID = 2.11272 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457003.5 (2014-Dec-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04104617188964656 6.9287e-08  
q 2.656645182063627 1.928e-07 au
tp 2456374.324940649968
(2013-Mar-22.82494065)
0.00042879 TDB
node 332.7082346424621 0.00015848 deg
peri 158.6251680719667 0.00018301 deg
i 2.463410848985402 8.3429e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5591 days (15.31 yr)  
   first obs. used      2004-02-10  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:55:02  

Additional Information
 Jupiter MOID = 2.11272 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.800752552887881E-15 -1.303986702957666E-14 5.616125370232706E-12 -4.729984260561359E-15 1.168940847744497E-12 -7.031071179001414E-16
q -1.303986702957666E-14 3.7172631387454E-14 -1.868454814212887E-11 1.23081437313427E-14 -3.784817620388377E-12 3.242977875039914E-15
tp 5.616125370232706E-12 -1.868454814212887E-11 1.838649195316542E-7 7.085954406655526E-11 3.927549348011812E-8 -1.204199258658861E-11
node -4.729984260561359E-15 1.23081437313427E-14 7.085954406655526E-11 2.511496022307699E-8 -2.507564757955083E-8 2.070060337014045E-10
peri 1.168940847744497E-12 -3.784817620388377E-12 3.927549348011812E-8 -2.507564757955083E-8 3.349344628203659E-8 -2.093040474614054E-10
i -7.031071179001414E-16 3.242977875039914E-15 -1.204199258658861E-11 2.070060337014045E-10 -2.093040474614054E-10 6.96039443815839E-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 MPO437357  

305812 (2009 DK105)          Discovered 2009-Feb-26 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DK105 = 2007 VB64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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