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JPL Small-Body Database Browser
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20375 Sherrigerten (1998 KU38)
Classification: Main-belt Asteroid          SPK-ID: 2020375
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07616460409323712 3.7303e-08  
a 2.579701248436834 1.4964e-08 au
q 2.383219324170813 9.9446e-08 au
i 7.029871069700427 4.3595e-06 deg
node 263.395545791777 4.0229e-05 deg
peri 227.2485073033906 5.3573e-05 deg
M 125.8952146254394 3.4725e-05 deg
tp 2458071.251946499618
(2017-Nov-13.75194650)
0.00014647 TDB
period 1513.395881066614
4.14
1.3168e-05
3.605e-08
d
yr
n .237875630893272 2.0697e-09 deg/d
Q 2.776183172702855 1.6103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1125  
   data-arc span      10263 days (28.10 yr)  
   first obs. used      1990-04-29  
   last obs. used      2018-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53184  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:59:54  

Additional Information
 Earth MOID = 1.40513 au 
 Jupiter MOID = 2.30294 au 
 T_jup = 3.411 
[ 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 14.2   n/a MPO435888  
diameter diameter 7.722 km 0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20375 Sherrigerten           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sherri Ann Gerten (b. 1990) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her biochemistry, medicine, health, and microbiology project. She attends the St. Anthony of Padua School, Columbus Grove, Ohio.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 KU38 = 1990 HW6 = 1999 RO104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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