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212194 (2005 GK105)
Classification: Main-belt Asteroid          SPK-ID: 2212194
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370382854853774 5.7977e-08  
a 2.682690948500387 3.5448e-08 au
q 2.315059580430753 1.6424e-07 au
i 5.307889180835013 7.4597e-06 deg
node 177.268873165582 6.4271e-05 deg
peri 234.2771075326396 7.055e-05 deg
M 308.6411339765877 3.6833e-05 deg
tp 2459229.464060407699
(2021-Jan-14.96406041)
0.00016696 TDB
period 1604.923708969679
4.39
3.1811e-05
8.709e-08
d
yr
n .2243097276138509 4.446e-09 deg/d
Q 3.050322316570021 4.0306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2000-03-03  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:11:00  

Additional Information
 Earth MOID = 1.33024 au 
 Jupiter MOID = 2.32391 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456350.5 (2013-Feb-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393660874489279 5.8689e-08  
q 2.3081226797764 1.6671e-07 au
tp 2456012.978968881332
(2012-Mar-26.47896888)
0.0001325 TDB
node 177.5003450798915 6.4141e-05 deg
peri 232.8899678481475 7.0153e-05 deg
i 5.313279603117134 7.467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6617 days (18.12 yr)  
   first obs. used      2000-03-03  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:11:00  

Additional Information
 Jupiter MOID = 2.32391 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.444357658667785E-15 -9.627061232009E-15 -2.712452609382861E-12 -3.785050210425072E-14 -4.587546548553303E-13 7.341158329447996E-16
q -9.627061232009E-15 2.779359889864664E-14 8.535546772966907E-12 1.106565622514611E-13 1.526356916681652E-12 -1.50670027821449E-16
tp -2.712452609382861E-12 8.535546772966907E-12 1.755520481468088E-8 9.120195008417199E-11 3.787468202527723E-9 4.476156366293749E-12
node -3.785050210425072E-14 1.106565622514611E-13 9.120195008417199E-11 4.114073134433117E-9 -4.076162227622334E-9 -9.731674416886629E-11
peri -4.587546548553303E-13 1.526356916681652E-12 3.787468202527723E-9 -4.076162227622334E-9 4.921399089422422E-9 9.800730789911269E-11
i 7.341158329447996E-16 -1.50670027821449E-16 4.476156366293749E-12 -9.731674416886629E-11 9.800730789911269E-11 5.575571586731202E-11

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 16.4   n/a MPO367391  

212194 (2005 GK105)          Discovered 2005-Apr-10 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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