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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034829262739084 3.7898e-08  
a 3.066940174517767 2.6278e-08 au
q 2.749564230551657 1.155e-07 au
i 8.397280134156965 4.7533e-06 deg
node 115.7226576577824 3.3912e-05 deg
peri 122.9317905768206 4.2898e-05 deg
M 20.78625565361147 2.6814e-05 deg
tp 2458487.226023369950
(2019-Jan-03.72602337)
0.00014574 TDB
period 1961.807468664175
5.37
2.5213e-05
6.903e-08
d
yr
n .183504245829551 2.3584e-09 deg/d
Q 3.384316118483877 2.8997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1991-03-09  
   last obs. used      2018-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:05:42  

Additional Information
 Earth MOID = 1.74805 au 
 Jupiter MOID = 1.68947 au 
 T_jup = 3.207 
[ 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-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.]

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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