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46640 (1995 DU)
Classification: Main-belt Asteroid          SPK-ID: 2046640
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04665994366651364 4.1372e-08  
a 2.971776723815396 2.1115e-08 au
q 2.833113789292713 1.2988e-07 au
i 10.09072809147893 6.3286e-06 deg
node 352.0021216542328 2.7828e-05 deg
peri 100.6456616841398 7.984e-05 deg
M 322.0452418336501 7.4744e-05 deg
tp 2458797.781526601915
(2019-Nov-10.28152660)
0.00038919 TDB
period 1871.210699470499
5.12
1.9943e-05
5.46e-08
d
yr
n .1923888101440795 2.0505e-09 deg/d
Q 3.110439658338079 2.21e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1197  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-02-20  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:09  

Additional Information
 Earth MOID = 1.87203 au 
 Jupiter MOID = 1.97322 au 
 T_jup = 3.237 
[ 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 13.8   n/a MPO452808  
diameter diameter 5.737 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46640 (1995 DU)          Discovered 1995-Feb-20 by Kobayashi, T. at Oizumi
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 DU = 2000 DT95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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