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193667 (2001 DU64)
Classification: Main-belt Asteroid          SPK-ID: 2193667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2771394971700685 4.3387e-08  
a 2.602595263966861 2.0219e-08 au
q 1.881313321173884 1.1551e-07 au
i 8.400750418676925 9.7829e-06 deg
node 162.6233293527173 5.0014e-05 deg
peri 290.8603990485437 5.5723e-05 deg
M 154.6709790246939 2.5557e-05 deg
tp 2457941.607273618616
(2017-Jul-07.10727362)
0.00010454 TDB
period 1533.586862855689
4.20
1.7871e-05
4.893e-08
d
yr
n .2347437949029145 2.7355e-09 deg/d
Q 3.323877206759838 2.5822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      6341 days (17.36 yr)  
   first obs. used      2000-12-23  
   last obs. used      2018-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62855  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:59:02  

Additional Information
 Earth MOID = .916982 au 
 Jupiter MOID = 1.9526 au 
 T_jup = 3.344 
[ 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 16.0   n/a MPO436958  
diameter diameter 2.697 km 0.410 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.725 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.106   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193667 (2001 DU64)          Discovered 2001-Feb-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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