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117768 (2005 GK81)
Classification: Inner Main-belt Asteroid          SPK-ID: 2117768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09643273711550363 4.5413e-08  
a 1.868829886416336 7.1315e-09 au
q 1.688613505265953 8.5278e-08 au
i 23.17132278135598 5.3901e-06 deg
node 146.7199485672311 1.1036e-05 deg
peri 111.530299567814 2.6387e-05 deg
M 69.04283616045352 2.4569e-05 deg
tp 2459217.534546461496
(2021-Jan-03.03454646)
6.3611e-05 TDB
period 933.1534863969607
2.55
5.3414e-06
1.462e-08
d
yr
n .3857886245380828 2.2083e-09 deg/d
Q 2.049046267566718 7.8192e-09 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      2000-05-04  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:03:20  

Additional Information
 Earth MOID = .746787 au 
 Jupiter MOID = 3.12788 au 
 T_jup = 3.881 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09608625654101471 4.5409e-08  
q 1.688934088685873 8.5187e-08 au
tp 2457351.367658632565
(2015-Nov-24.86765863)
6.3999e-05 TDB
node 146.7474340133545 1.1038e-05 deg
peri 111.4458291818143 2.6474e-05 deg
i 23.17048785244064 5.39e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      2000-05-04  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50216  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:03:20  

Additional Information
 Jupiter MOID = 3.12788 au 
 T_jup = 3.881 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.062002998611688E-15 -3.857335521014328E-15 5.043629958057225E-13 -2.086943590219668E-15 2.527582422671167E-13 -3.308831457781181E-15
q -3.857335521014328E-15 7.25684464018931E-15 -9.830433219606817E-13 4.084241110794934E-15 -4.90877288459735E-13 6.251076881442079E-15
tp 5.043629958057225E-13 -9.830433219606817E-13 4.095817396217156E-9 1.467411677145057E-11 1.548708487391728E-9 3.91935985560236E-13
node -2.086943590219668E-15 4.084241110794934E-15 1.467411677145057E-11 1.21834910278824E-10 -1.060174143072572E-10 -1.359939240386394E-11
peri 2.527582422671167E-13 -4.90877288459735E-13 1.548708487391728E-9 -1.060174143072572E-10 7.008665928574188E-10 1.257368945733162E-11
i -3.308831457781181E-15 6.251076881442079E-15 3.91935985560236E-13 -1.359939240386394E-11 1.257368945733162E-11 2.905156880606931E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.99   n/a E2021B55  

117768 (2005 GK81)          Discovered 2005-Apr-01 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 GK81 = 2003 QM92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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