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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169432645012036 4.0006e-08  
a 2.409763383017256 1.1623e-08 au
q 2.127957786331753 9.6763e-08 au
i 6.754697089864379 4.414e-06 deg
node 175.5717485752292 3.6516e-05 deg
peri 108.0828509309945 4.0867e-05 deg
M 184.4635044110895 1.8442e-05 deg
tp 2459266.731175714371
(2021-Feb-21.23117571)
7.0787e-05 TDB
period 1366.343918696334
3.74
9.8855e-06
2.707e-08
d
yr
n .2634768560637983 1.9063e-09 deg/d
Q 2.691568979702758 1.2982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      9069 days (24.83 yr)  
   first obs. used      1994-03-14  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:35:55  

Additional Information
 Earth MOID = 1.12289 au 
 Jupiter MOID = 2.45094 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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