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305477 (2008 DU59)
Classification: Main-belt Asteroid          SPK-ID: 2305477
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09017346226379348 6.6125e-08  
a 3.173408459207569 3.9084e-08 au
q 2.887251231263612 2.1607e-07 au
i 4.190424785765779 7.6196e-06 deg
node 231.5707895070496 6.8358e-05 deg
peri 14.26280552896776 7.7183e-05 deg
M 342.1222615511359 3.4214e-05 deg
tp 2459103.040981002820
(2020-Sep-10.54098100)
0.00019572 TDB
period 2064.844681926794
5.65
3.8146e-05
1.044e-07
d
yr
n .1743472538883984 3.2209e-09 deg/d
Q 3.459565687151526 4.2608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2000-11-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Earth MOID = 1.8741 au 
 Jupiter MOID = 1.55608 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457837.5 (2017-Mar-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08961918087928991 6.635e-08  
q 2.891290287634767 2.1685e-07 au
tp 2457033.296462192244
(2015-Jan-10.79646219)
0.00020966 TDB
node 231.5729834497697 6.8344e-05 deg
peri 13.69382872156862 7.7194e-05 deg
i 4.18961120503268 7.6196e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      2000-11-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52902  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:22:46  

Additional Information
 Jupiter MOID = 1.55608 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.402380614686546E-15 -1.419335428341001E-14 -5.703371448476825E-12 -6.697583070947848E-15 -9.1490893727618E-13 -6.555591518958596E-16
q -1.419335428341001E-14 4.702491436189761E-14 1.487229066952407E-11 2.340432957311666E-14 2.417120051132511E-12 2.685373380183044E-15
tp -5.703371448476825E-12 1.487229066952407E-11 4.395823224488901E-8 -1.481062466533732E-11 7.532896289651122E-9 2.769479640818783E-12
node -6.697583070947848E-15 2.340432957311666E-14 -1.481062466533732E-11 4.670872597824695E-9 -4.660671155744442E-9 -1.899539765906747E-10
peri -9.1490893727618E-13 2.417120051132511E-12 7.532896289651122E-9 -4.660671155744442E-9 5.958893408626426E-9 1.899902730355251E-10
i -6.555591518958596E-16 2.685373380183044E-15 2.769479640818783E-12 -1.899539765906747E-10 1.899902730355251E-10 5.805760035773954E-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 15.7   n/a MPO433969  

305477 (2008 DU59)          Discovered 2008-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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