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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297323460792585 4.4869e-08  
a 2.424613200925902 9.3721e-09 au
q 2.110062442035044 1.1163e-07 au
i 1.998199523000311 3.8248e-06 deg
node 57.19598004100889 0.00012213 deg
peri 147.0217849454023 0.00012318 deg
M 23.36999414613497 1.7838e-05 deg
tp 2459110.980380459836
(2020-Sep-18.48038046)
6.8146e-05 TDB
period 1378.993200979854
3.78
7.9955e-06
2.189e-08
d
yr
n .2610600253461723 1.5136e-09 deg/d
Q 2.739163959816759 1.0588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      9062 days (24.81 yr)  
   first obs. used      1995-08-20  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54961  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:18:57  

Additional Information
 Earth MOID = 1.10564 au 
 Jupiter MOID = 2.2173 au 
 T_jup = 3.499 
[ 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 15.15   n/a E2021B10  

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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