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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2689293107989265 3.1834e-08  
a 3.086482357045999 1.7402e-08 au
q 2.256436783972572 9.6878e-08 au
i 17.14855637187064 4.0801e-06 deg
node 157.9824051106994 1.3569e-05 deg
peri 109.6042435355632 1.5583e-05 deg
M 105.5415211950464 8.9756e-06 deg
tp 2458419.849273479562
(2018-Oct-28.34927348)
4.7725e-05 TDB
period 1980.587916305005
5.42
1.675e-05
4.586e-08
d
yr
n .1817642110387191 1.5372e-09 deg/d
Q 3.916527930119426 2.2082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1997-08-30  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:08:54  

Additional Information
 Earth MOID = 1.30724 au 
 Jupiter MOID = 1.72532 au 
 T_jup = 3.104 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2692152743441019 3.1662e-08  
q 2.254587996364673 9.629e-08 au
tp 2456441.874877005856
(2013-May-29.37487701)
4.6088e-05 TDB
node 158.0308912250661 1.3559e-05 deg
peri 109.8002047079579 1.559e-05 deg
i 17.15738255056813 4.0826e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      8185 days (22.41 yr)  
   first obs. used      1997-08-30  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:08:54  

Additional Information
 Jupiter MOID = 1.72532 au 
 T_jup = 3.104 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.002504405689363E-15 -3.022725544621191E-15 -1.545661000430789E-13 1.086074907837286E-15 -3.419979918649637E-14 -1.959166749500363E-16
q -3.022725544621191E-15 9.271829884214923E-15 4.29808538533906E-13 -3.78360887920995E-15 1.119935896470994E-13 1.224167238520418E-15
tp -1.545661000430789E-13 4.29808538533906E-13 2.124147772927911E-9 -3.776302971416727E-13 3.751074674168957E-10 8.772031598991648E-13
node 1.086074907837286E-15 -3.78360887920995E-15 -3.776302971416727E-13 1.838531688021187E-10 -1.75349430535465E-10 9.411744938378706E-12
peri -3.419979918649637E-14 1.119935896470994E-13 3.751074674168957E-10 -1.75349430535465E-10 2.430442915738378E-10 -8.810789591388651E-12
i -1.959166749500363E-16 1.224167238520418E-15 8.772031598991648E-13 9.411744938378706E-12 -8.810789591388651E-12 1.666739738848245E-11

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-August); 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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