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JPL Small-Body Database Browser
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20351 Kaborchardt (1998 HN127)
Classification: Main-belt Asteroid          SPK-ID: 2020351
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093710892009651 5.3362e-08  
a 2.740062717306813 1.4673e-08 au
q 2.44037907343601 1.4514e-07 au
i 3.832465464099215 5.4488e-06 deg
node 222.744203209839 6.2074e-05 deg
peri 130.0994303905846 6.496e-05 deg
M 81.46377597549532 2.1062e-05 deg
tp 2458225.612277312231
(2018-Apr-17.11227731)
9.6219e-05 TDB
period 1656.682108722696
4.54
1.3308e-05
3.644e-08
d
yr
n .2173017974326773 1.7455e-09 deg/d
Q 3.039746361177615 1.6278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1203  
   data-arc span      10198 days (27.92 yr)  
   first obs. used      1991-12-07  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53818  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:06:42  

Additional Information
 Earth MOID = 1.43649 au 
 Jupiter MOID = 2.38276 au 
 T_jup = 3.338 
[ 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 14.5   n/a MPO378762  
diameter diameter 3.764 km 0.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20351 Kaborchardt           Discovered 1998 Apr. 18 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kasey Lynn Borchardt (b. 1990) is a finalist in the 2004 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her mathematics project. She attends the Vernon Middle School, Vernon, Texas.
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 HN127 = 2000 WE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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