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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096994770274939 5.3368e-08  
a 2.739381178696461 1.4731e-08 au
q 2.438872496014499 1.4515e-07 au
i 3.83240638082109 5.4329e-06 deg
node 222.7329378496206 6.2122e-05 deg
peri 130.0591642037617 6.4979e-05 deg
M 168.4300692731962 2.1178e-05 deg
tp 2458225.691717260068
9.5852e-05 TDB
period 1656.06404479918
n .2173828971956546 1.7534e-09 deg/d
Q 3.039889861378422 1.6347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      10255 days (28.08 yr)  
   first obs. used      1991-12-07  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53192  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:18:42  

Additional Information
 Earth MOID = 1.43588 au 
 Jupiter MOID = 2.38548 au 
 T_jup = 3.339 
[ 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] (  
geometric albedo albedo 0.238   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2049-Aug-06 03:34 < 00:01 Eunom 0.0300650816455558 0.0300612081554318 0.0300689566053916 4.24860458720305 4.24860447730621 2469659.648438843 0.736093808592106 387.99084313795 34.4982285089909 60.5694233933924 113585.10897317 T 26 CATAB v2.0f-lin.ifort 2020-Jan-29 01:19:02 2020-Jan-29 01:19

Alternate Designations
 1998 HN127 = 2000 WE57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Feb-22 11:33 UT
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