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JPL Small-Body Database Browser
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39263 (2000 YK139)
Classification: Main-belt Asteroid          SPK-ID: 2039263
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2691206922144152 3.2356e-08  
a 3.086019309639219 1.7612e-08 au
q 2.255507656842061 9.8831e-08 au
i 17.15009140220938 4.1051e-06 deg
node 157.987515233609 1.3778e-05 deg
peri 109.5495729630121 1.5769e-05 deg
M 32.85481472785579 8.796e-06 deg
tp 2458419.785538744089
(2018-Oct-28.28553874)
4.789e-05 TDB
period 1980.142228498689
5.42
1.6951e-05
4.641e-08
d
yr
n .1818051222880823 1.5564e-09 deg/d
Q 3.916530962436377 2.2352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1997-08-30  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:03  

Additional Information
 Earth MOID = 1.30592 au 
 Jupiter MOID = 1.72402 au 
 T_jup = 3.104 
[ 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 13.2   n/a MPO452714  
diameter diameter 15.755 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.099 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 0.031   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39263 (2000 YK139)          Discovered 2000-Dec-27 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 YK139 = 1997 TC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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