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JPL Small-Body Database Browser
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39969 (1998 GT8)
Classification: Main-belt Asteroid          SPK-ID: 2039969
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 .05303131241700172 3.9999e-08  
a 2.424758230470109 1.1162e-08 au
q 2.296170119214352 9.7894e-08 au
i 21.30779638090618 5.6525e-06 deg
node 69.13417221874808 1.2306e-05 deg
peri 255.2303731847998 6.0742e-05 deg
M 82.87639142828581 6.1471e-05 deg
tp 2458283.010459525371
(2018-Jun-13.51045953)
0.00023533 TDB
period 1379.116930661352
3.78
9.5231e-06
2.607e-08
d
yr
n .2610366039284013 1.8025e-09 deg/d
Q 2.553346341725865 1.1754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2626  
   data-arc span      9934 days (27.20 yr)  
   first obs. used      1992-09-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:12:06  

Additional Information
 Earth MOID = 1.34301 au 
 Jupiter MOID = 2.60066 au 
 T_jup = 3.416 
[ 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 MPO417093  

39969 (1998 GT8)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 GT8 = 2000 SK172 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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