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46052 (2001 DD76)
Classification: Main-belt Asteroid          SPK-ID: 2046052
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .193804194079299 3.864e-08  
a 2.192800213203047 9.6496e-09 au
q 1.767826335106315 8.656e-08 au
i 4.012948151855609 4.4662e-06 deg
node 171.0324791595577 6.0995e-05 deg
peri 198.4183054010306 6.2161e-05 deg
M 342.7013480216704 1.4861e-05 deg
tp 2458657.491066562799
(2019-Jun-22.99106656)
4.9172e-05 TDB
period 1186.033685648425
3.25
7.8289e-06
2.143e-08
d
yr
n .3035326941858162 2.0036e-09 deg/d
Q 2.617774091299778 1.152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10540 days (28.86 yr)  
   first obs. used      1991-01-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:14:16  

Additional Information
 Earth MOID = .766705 au 
 Jupiter MOID = 2.8409 au 
 T_jup = 3.644 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456346.5 (2013-Feb-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941798823148149 3.879e-08  
q 1.767126892104564 8.6896e-08 au
tp 2456284.940022800574
(2012-Dec-23.44002280)
4.2035e-05 TDB
node 171.119361673828 6.0968e-05 deg
peri 198.3080966468966 6.2121e-05 deg
i 4.013058054670666 4.4681e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      10540 days (28.86 yr)  
   first obs. used      1991-01-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:14:16  

Additional Information
 Jupiter MOID = 2.8409 au 
 T_jup = 3.644 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.504654228814126E-15 -3.357709514486904E-15 -2.721855782004713E-13 4.976634166318695E-15 -6.492765087296366E-14 6.995109555520464E-16
q -3.357709514486904E-15 7.550914178576931E-15 6.871040429310125E-13 -1.162863321470891E-14 1.662732927545397E-13 -1.290187591406392E-15
tp -2.721855782004713E-13 6.871040429310125E-13 1.766979715853698E-9 -8.731540091784745E-12 5.166330859568058E-10 1.688994838128197E-12
node 4.976634166318695E-15 -1.162863321470891E-14 -8.731540091784745E-12 3.717090585520723E-9 -3.709875190380709E-9 -1.716881155565264E-11
peri -6.492765087296366E-14 1.662732927545397E-13 5.166330859568058E-10 -3.709875190380709E-9 3.85908014255985E-9 1.76018383437002E-11
i 6.995109555520464E-16 -1.290187591406392E-15 1.688994838128197E-12 -1.716881155565264E-11 1.76018383437002E-11 1.996364704920519E-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 15.6   n/a MPO449291  
diameter diameter 2.054 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.290   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46052 (2001 DD76)          Discovered 2001-Feb-20 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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