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JPL Small-Body Database Browser
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20376 Joyhines (1998 KB44)
Classification: Main-belt Asteroid          SPK-ID: 2020376
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1300404713647148 4.9334e-08  
a 2.425285903861831 1.1941e-08 au
q 2.10990058172944 1.1997e-07 au
i 1.998346291804834 4.8873e-06 deg
node 57.20428070921599 0.00012946 deg
peri 146.9184657865546 0.00013051 deg
M 226.8814233503716 1.9659e-05 deg
tp 2459110.627816180590
(2020-Sep-18.12781618)
7.7298e-05 TDB
period 1379.567138164147
3.78
1.0189e-05
2.79e-08
d
yr
n .2609514173257769 1.9273e-09 deg/d
Q 2.740671225994221 1.3494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      8875 days (24.30 yr)  
   first obs. used      1995-08-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:43:42  

Additional Information
 Earth MOID = 1.10664 au 
 Jupiter MOID = 2.21793 au 
 T_jup = 3.498 
[ 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 15.1   n/a MPO459007  

20376 Joyhines           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Joy Ellen Hines (b. 1992) 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 Orchard Day School, Ft. Wayne, Indiana.
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 KB44 = 1999 TY23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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