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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05325378763784448 3.8635e-08  
a 2.424574740623927 1.0076e-08 au
q 2.295456952274659 9.33e-08 au
i 21.3062289246186 4.3022e-06 deg
node 69.13071401098465 1.0974e-05 deg
peri 255.3451003067261 5.2484e-05 deg
M 187.1589310197805 5.5056e-05 deg
tp 2459662.558299594184
(2022-Mar-24.05829959)
0.00021239 TDB
period 1378.960389797072
3.78
8.596e-06
2.353e-08
d
yr
n .26106623704614 1.6274e-09 deg/d
Q 2.553692528973196 1.0613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3001  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1992-09-25  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .31003  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:47:47  

Additional Information
 Earth MOID = 1.3431 au 
 Jupiter MOID = 2.60139 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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