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19593 Justinkoh (1999 NZ29)
Classification: Main-belt Asteroid          SPK-ID: 2019593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1984893901670483 4.1648e-08  
a 3.146092409759668 2.0106e-08 au
q 2.521626445937292 1.3589e-07 au
i 1.293781403208194 5.4631e-06 deg
node 166.1165476124599 0.00018386 deg
peri 127.6913512056825 0.00018424 deg
M 260.63920904177 1.2597e-05 deg
tp 2459563.059131476293
(2021-Dec-14.55913148)
7.3619e-05 TDB
period 2038.241497258238
5.58
1.9539e-05
5.349e-08
d
yr
n .1766228390915687 1.6932e-09 deg/d
Q 3.770558373582044 2.4097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      10275 days (28.13 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:02:59  

Additional Information
 Earth MOID = 1.50581 au 
 Jupiter MOID = 1.44002 au 
 T_jup = 3.178 
[ 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 15.0   n/a MPO431724  
diameter diameter 5.320 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19593 Justinkoh           Discovered 1999 July 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Justin Koh (b. 1989) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his biochemistry, medicine, health and microbiology project. He attends the Fruitvale Junior High School, Bakersfield, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ show close-approach data ]
Alternate Designations
 1999 NZ29 = 1994 TN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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