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JPL Small-Body Database Browser
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39231 (2000 YZ38)
Classification: Main-belt Asteroid          SPK-ID: 2039231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1030662306203083 3.7763e-08  
a 3.063029691152886 2.5241e-08 au
q 2.747334766607671 1.1396e-07 au
i 8.402016324026739 4.7268e-06 deg
node 115.7178637702841 3.309e-05 deg
peri 122.2403370716051 4.1998e-05 deg
M 94.93101824239123 2.6297e-05 deg
tp 2458484.165819951867
(2018-Dec-31.66581995)
0.00014154 TDB
period 1958.056578964654
5.36
2.4203e-05
6.626e-08
d
yr
n .1838557699851321 2.2726e-09 deg/d
Q 3.378724615698101 2.7843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      10377 days (28.41 yr)  
   first obs. used      1991-03-09  
   last obs. used      2019-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55919  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:08:36  

Additional Information
 Earth MOID = 1.74629 au 
 Jupiter MOID = 1.69351 au 
 T_jup = 3.209 
[ 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 13.9   n/a MPO358987  
rotation period rot_per 4.686 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.]

39231 (2000 YZ38)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 YZ38 = 1991 EK9 = 1999 TE39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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