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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985459262567356 4.1631e-08  
a 3.14535220886798 2.0057e-08 au
q 2.520855341154618 1.3583e-07 au
i 1.293956260580597 5.4632e-06 deg
node 166.119022552565 0.00018346 deg
peri 127.7579516208419 0.00018385 deg
M 295.9043358300556 1.2732e-05 deg
tp 2459563.267610048228
(2021-Dec-14.76761005)
7.3583e-05 TDB
period 2037.522214780341
5.58
1.9489e-05
5.336e-08
d
yr
n .1766851901729133 1.69e-09 deg/d
Q 3.769849076581342 2.4039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      10308 days (28.22 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59079  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:07:48  

Additional Information
 Earth MOID = 1.50308 au 
 Jupiter MOID = 1.44047 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 15.03   n/a E2021B10  
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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