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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09618134114549803 4.6305e-08  
a 1.868614169782073 7.1868e-09 au
q 1.688888352848952 8.7052e-08 au
i 23.1696652672108 5.3905e-06 deg
node 146.7216714570447 1.1142e-05 deg
peri 111.4986742968006 2.646e-05 deg
M 276.2861823765438 2.4585e-05 deg
tp 2459217.456432228209
(2021-Jan-02.95643223)
6.3793e-05 TDB
period 932.9919219962908
2.55
5.3825e-06
1.474e-08
d
yr
n .3858554308055748 2.226e-09 deg/d
Q 2.048339986715194 7.878e-09 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7290 days (19.96 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:14:29  

Additional Information
 Earth MOID = .747548 au 
 Jupiter MOID = 3.12984 au 
 T_jup = 3.881 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457261.5 (2015-Aug-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09609318405782345 4.6272e-08  
q 1.688944280276864 8.6982e-08 au
tp 2457351.347051498051
(2015-Nov-24.84705150)
6.4011e-05 TDB
node 146.7481215213532 1.1142e-05 deg
peri 111.4356268653488 2.6491e-05 deg
i 23.17048596825344 5.3904e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7290 days (19.96 yr)  
   first obs. used      2000-05-04  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:14:29  

Additional Information
 Jupiter MOID = 3.12984 au 
 T_jup = 3.881 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.141079071550217E-15 -4.013629265812935E-15 4.996911924750445E-13 -2.983362287321719E-15 2.577220978335598E-13 -3.412083822700928E-15
q -4.013629265812935E-15 7.565814735984913E-15 -9.727843325049522E-13 5.974634079241513E-15 -5.004572460932318E-13 6.443707863250207E-15
tp 4.996911924750445E-13 -9.727843325049522E-13 4.097404908057591E-9 1.694266843086299E-11 1.546778584493647E-9 2.969493721566907E-13
node -2.983362287321719E-15 5.974634079241513E-15 1.694266843086299E-11 1.241432854024489E-10 -1.073809956716513E-10 -1.370150367110944E-11
peri 2.577220978335598E-13 -5.004572460932318E-13 1.546778584493647E-9 -1.073809956716513E-10 7.017596465895469E-10 1.26254140677378E-11
i -3.412083822700928E-15 6.443707863250207E-15 2.969493721566907E-13 -1.370150367110944E-11 1.26254140677378E-11 2.905629377139048E-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 17.0   n/a MPO338088  

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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