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305765 (2009 DS32)
Classification: Main-belt Asteroid          SPK-ID: 2305765
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 .08339704168191459 4.7279e-07  
a 2.890271443099476 6.2106e-08 au
q 2.649231355087261 1.3166e-06 au
i 15.45875860098624 2.1608e-05 deg
node 170.0322873303942 4.0217e-05 deg
peri 340.0753656646649 0.00024264 deg
M 130.3900465979854 0.00025501 deg
tp 2458350.447677117641
(2018-Aug-19.94767712)
0.0012532 TDB
period 1794.759970898461
4.91
5.7849e-05
1.584e-07
d
yr
n .2005839253367029 6.4652e-09 deg/d
Q 3.13131153111169 6.7285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1994-03-09  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:35  

Additional Information
 Earth MOID = 1.66292 au 
 Jupiter MOID = 1.85923 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08364082427736724 4.6272e-07  
q 2.645632826882336 1.2843e-06 au
tp 2456551.396618620712
(2013-Sep-15.89661862)
0.0012387 TDB
node 170.1574369606473 4.0166e-05 deg
peri 338.4535953535602 0.00025054 deg
i 15.45828679739651 2.1633e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1994-03-09  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:35  

Additional Information
 Jupiter MOID = 1.85923 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.14112698629159E-13 -5.941508423306446E-13 5.601495874865692E-10 -2.307296109959312E-12 1.114635185086807E-10 -3.294566361050048E-12
q -5.941508423306446E-13 1.649445278239221E-12 -1.554902508584565E-9 6.425324424340272E-12 -3.093864569051666E-10 9.157348961384611E-12
tp 5.601495874865692E-10 -1.554902508584565E-9 1.53444943430436E-6 -6.186230368059151E-9 3.065698987712732E-7 -8.839595875050344E-9
node -2.307296109959312E-12 6.425324424340272E-12 -6.186230368059151E-9 1.613341107127363E-9 -2.761271202997796E-9 7.130142821222028E-10
peri 1.114635185086807E-10 -3.093864569051666E-10 3.065698987712732E-7 -2.761271202997796E-9 6.277185254360655E-8 -2.414145306397734E-9
i -3.294566361050048E-12 9.157348961384611E-12 -8.839595875050344E-9 7.130142821222028E-10 -2.414145306397734E-9 4.679718377812435E-10

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 16.7   n/a MPO476362  

305765 (2009 DS32)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 DS32 = 2004 EF104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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