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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07732080410427131 3.7334e-08  
a 2.577185620528091 1.4821e-08 au
q 2.377915556022894 9.943e-08 au
i 7.030053458522203 4.3581e-06 deg
node 263.3902806017055 4.0253e-05 deg
peri 227.2955345003249 5.317e-05 deg
M 221.0449660805641 3.4032e-05 deg
tp 2459583.795679980618
(2022-Jan-04.29567998)
0.00014269 TDB
period 1511.182710478626
4.14
1.3036e-05
3.569e-08
d
yr
n .2382240066033973 2.055e-09 deg/d
Q 2.776455685033288 1.5967e-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 = 1.39948 au 
 Jupiter MOID = 2.30145 au 
 T_jup = 3.412 
[ 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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