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JPL Small-Body Database Browser
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20319 (1998 GK1)
Classification: Main-belt Asteroid          SPK-ID: 2020319
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .184796280949252 4.9048e-08  
a 2.569998438241381 1.1552e-08 au
q 2.095072284808988 1.2992e-07 au
i 8.29395941197423 5.3064e-06 deg
node 331.4723420867739 2.6385e-05 deg
peri 332.1678870195733 2.8617e-05 deg
M 311.1606287443805 1.3599e-05 deg
tp 2458804.657472079534
(2019-Nov-17.15747208)
5.7537e-05 TDB
period 1504.865604513197
4.12
1.0147e-05
2.778e-08
d
yr
n .2392240203512759 1.613e-09 deg/d
Q 3.044924591673773 1.3687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1862  
   data-arc span      17902 days (49.01 yr)  
   first obs. used      1970-08-29  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47859  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:29:38  

Additional Information
 Earth MOID = 1.08343 au 
 Jupiter MOID = 2.22789 au 
 T_jup = 3.392 
[ 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 13.1   n/a MPO395197  
diameter diameter 6.514 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20319 (1998 GK1)          Discovered 1998-Apr-05 by Zoltowski, F. B. at Woomera
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 GK1 = 1970 QK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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