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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171463116212564 3.4579e-08  
a 2.409115339890313 1.0361e-08 au
q 2.126896363551973 8.6235e-08 au
i 6.755777976206247 4.3872e-06 deg
node 175.5659434115173 3.1233e-05 deg
peri 108.2078135104837 3.6148e-05 deg
M 289.7567289324586 1.8523e-05 deg
tp 2459266.993759159731
(2021-Feb-21.49375916)
7.0628e-05 TDB
period 1365.792791814258
3.74
8.8112e-06
2.412e-08
d
yr
n .2635831746642858 1.7005e-09 deg/d
Q 2.691334316228652 1.1575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   data-arc span      9543 days (26.13 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52875  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:30:42  

Additional Information
 Earth MOID = 1.12244 au 
 Jupiter MOID = 2.4521 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 15.6   n/a MPO426234  
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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