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35011 (1981 DU2)
Classification: Main-belt Asteroid          SPK-ID: 2035011
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090947573656617 4.4612e-08  
a 2.65334202859117 1.8441e-08 au
q 2.098542120914786 1.2087e-07 au
i 11.87987318721656 5.3853e-06 deg
node 312.5924410721865 2.0583e-05 deg
peri 332.4336247460349 2.3588e-05 deg
M 306.2422126652086 1.3409e-05 deg
tp 2459236.236681367099
(2021-Jan-21.73668137)
5.9842e-05 TDB
period 1578.658823207033
4.32
1.6458e-05
4.506e-08
d
yr
n .2280416735445489 2.3774e-09 deg/d
Q 3.208141936267553 2.2297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      14323 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:52  

Additional Information
 Earth MOID = 1.08978 au 
 Jupiter MOID = 2.02957 au 
 T_jup = 3.328 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456853.5 (2014-Jul-15.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095414104142882 4.4708e-08  
q 2.098954781046241 1.2102e-07 au
tp 2456072.752469509819
(2012-May-25.25246951)
5.3185e-05 TDB
node 312.6406298505764 2.057e-05 deg
peri 331.750690407564 2.3533e-05 deg
i 11.88375185269842 5.3818e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      14323 days (39.21 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:54:52  

Additional Information
 Jupiter MOID = 2.02957 au 
 T_jup = 3.328 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.998806074491977E-15 -5.371373558366102E-15 3.093133409519748E-13 -8.058538731404585E-15 1.347810457126173E-13 1.043040608591925E-15
q -5.371373558366102E-15 1.464636913229438E-14 -8.931641751512295E-13 2.262721360144038E-14 -3.49781114086142E-13 -2.141111117920667E-15
tp 3.093133409519748E-13 -8.931641751512295E-13 2.828606043344582E-9 -1.088353731184708E-11 6.128458694155058E-10 4.942823965354102E-12
node -8.058538731404585E-15 2.262721360144038E-14 -1.088353731184708E-11 4.231241930319126E-10 -4.162664911935075E-10 2.210990948691793E-11
peri 1.347810457126173E-13 -3.49781114086142E-13 6.128458694155058E-10 -4.162664911935075E-10 5.538144046083456E-10 -2.058121313815003E-11
i 1.043040608591925E-15 -2.141111117920667E-15 4.942823965354102E-12 2.210990948691793E-11 -2.058121313815003E-11 2.896425762253885E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO431894  
diameter diameter 5.014 km 0.396 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35011 (1981 DU2)          Discovered 1981-Feb-28 by Bus, S. J. at Siding Spring
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 DU2 = 1999 NR28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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