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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07746106119401822 3.526e-08  
a 2.577101501033094 1.118e-08 au
q 2.377476483958374 9.5468e-08 au
i 7.030055075334149 3.2838e-06 deg
node 263.39004221 3.8201e-05 deg
peri 227.2714960591771 4.9373e-05 deg
M 268.7315862753936 3.2168e-05 deg
tp 2459583.601378204791
(2022-Jan-04.10137820)
0.00013545 TDB
period 1511.108723439353
4.14
9.833e-06
2.692e-08
d
yr
n .2382356705483266 1.5502e-09 deg/d
Q 2.776726518107815 1.2046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1647  
   data-arc span      11270 days (30.86 yr)  
   first obs. used      1990-04-29  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:18:56  

Additional Information
 Earth MOID = 1.39896 au 
 Jupiter MOID = 2.30055 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 14.23   n/a E2021B10  
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

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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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