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103938 (2000 DU68)
Classification: Main-belt Asteroid          SPK-ID: 2103938
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508620396480057 2.7778e-08  
a 2.321225730751721 7.7384e-09 au
q 1.971040882527084 6.4642e-08 au
i 5.08995921754915 3.953e-06 deg
node 340.0255130857644 3.8489e-05 deg
peri 287.6042785580421 4.1145e-05 deg
M 233.346910265068 1.4296e-05 deg
tp 2459654.951748999941
(2022-Mar-16.45174900)
5.1617e-05 TDB
period 1291.738164322538
3.54
6.4595e-06
1.769e-08
d
yr
n .2786942508498266 1.3936e-09 deg/d
Q 2.671410578976358 8.9058e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      2000-01-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48281  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:36  

Additional Information
 Earth MOID = .960637 au 
 Jupiter MOID = 2.43465 au 
 T_jup = 3.557 
[ 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 14.88   n/a E2021B55  
diameter diameter 2.516 km 0.442 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.96 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.306   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103938 (2000 DU68)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2000 DU68 = 2001 OM72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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