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117804 (2005 GK168)
Classification: Inner Main-belt Asteroid          SPK-ID: 2117804
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02887532882847721 5.7241e-08  
a 1.900807982096666 8.5171e-09 au
q 1.84592152657383 1.1234e-07 au
i 20.75387660087227 8.6038e-06 deg
node 229.4630709233992 1.1378e-05 deg
peri 247.4140356793366 0.00013604 deg
M 16.21773948225992 0.00013516 deg
tp 2458957.378524142788
(2020-Apr-17.87852414)
0.00035942 TDB
period 957.2068490542279
2.62
6.4336e-06
1.761e-08
d
yr
n .3760942583681881 2.5278e-09 deg/d
Q 1.955694437619501 8.7631e-09 au
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:50:38  

Additional Information
 Earth MOID = .886467 au 
 Jupiter MOID = 3.09844 au 
 T_jup = 3.867 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457705.5 (2016-Nov-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02858891061694638 5.723e-08  
q 1.846533964395137 1.1229e-07 au
tp 2457999.738395923528
(2017-Sep-03.23839592)
0.00036427 TDB
node 229.4686828884905 1.1376e-05 deg
peri 247.2472286355338 0.00013736 deg
i 20.75447654339285 8.6034e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      415  
   data-arc span      7763 days (21.25 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54365  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:50:38  

Additional Information
 Jupiter MOID = 3.09844 au 
 T_jup = 3.867 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.275264603783434E-15 -6.41141924645883E-15 -1.076027848737656E-11 1.934004798939162E-14 -3.954114880037381E-12 1.204683140347682E-15
q -6.41141924645883E-15 1.260816547513513E-14 1.982613454758526E-11 -3.914937455708904E-14 7.267457469363814E-12 -3.621263771327924E-15
tp -1.076027848737656E-11 1.982613454758526E-11 1.326955903882018E-7 -2.562433355261214E-11 4.986849524909679E-8 1.614658253584474E-10
node 1.934004798939162E-14 -3.914937455708904E-14 -2.562433355261214E-11 1.294164541300451E-10 -1.288411598461352E-10 3.657515944558814E-11
peri -3.954114880037381E-12 7.267457469363814E-12 4.986849524909679E-8 -1.288411598461352E-10 1.88678736227526E-8 2.703204978012213E-11
i 1.204683140347682E-15 -3.621263771327924E-15 1.614658253584474E-10 3.657515944558814E-11 2.703204978012213E-11 7.401905606914306E-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 16.8   n/a MPO266405  

117804 (2005 GK168)          Discovered 2005-Apr-11 by Siding Spring Survey at Siding Spring
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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