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46039 (2001 DW39)
Classification: Main-belt Asteroid          SPK-ID: 2046039
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172915555140357 3.4368e-08  
a 2.409388854405658 1.0234e-08 au
q 2.126787887834238 8.5857e-08 au
i 6.755727649351074 4.3793e-06 deg
node 175.5625116408837 3.0956e-05 deg
peri 108.2091391664141 3.5915e-05 deg
M 342.4819576242236 1.8578e-05 deg
tp 2459266.972474205698
(2021-Feb-21.47247421)
7.0582e-05 TDB
period 1366.025392605579
3.74
8.7031e-06
2.383e-08
d
yr
n .2635382928814596 1.679e-09 deg/d
Q 2.691989820977078 1.1434e-08 au
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53319  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:02  

Additional Information
 Earth MOID = 1.12045 au 
 Jupiter MOID = 2.45057 au 
 T_jup = 3.502 
[ show covariance matrix ]

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 15.67   n/a E2021B10  
diameter diameter 2.037 km 0.354 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46039 (2001 DW39)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DW39 = 1995 UF61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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