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172901 (2005 GY68)
Classification: Main-belt Asteroid          SPK-ID: 2172901
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05744578668024897 4.2564e-08  
a 2.73779092282791 1.9998e-08 au
q 2.580516369500017 1.1602e-07 au
i 4.590542731670829 4.4734e-06 deg
node 201.8221354742217 4.8295e-05 deg
peri 346.1920415566904 5.9479e-05 deg
M 138.0895844761378 3.5282e-05 deg
tp 2458365.816412683278
(2018-Sep-04.31641268)
0.0001622 TDB
period 1654.62219544518
4.53
1.8129e-05
4.963e-08
d
yr
n .2175723261727074 2.3838e-09 deg/d
Q 2.895065476155804 2.1146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7101 days (19.44 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:51  

Additional Information
 Earth MOID = 1.58099 au 
 Jupiter MOID = 2.06457 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05544649563760253 4.2743e-08  
q 2.58674737755076 1.1618e-07 au
tp 2456709.053710127002
(2014-Feb-20.55371013)
0.00016905 TDB
node 201.9368161540313 4.8236e-05 deg
peri 345.9647715802816 6.0104e-05 deg
i 4.592197466119663 4.4761e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7101 days (19.44 yr)  
   first obs. used      2000-03-11  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51989  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:51  

Additional Information
 Jupiter MOID = 2.06457 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.826980019645726E-15 -4.901647178801043E-15 9.17929117382398E-13 4.847771101046974E-15 1.517526916655585E-13 -3.431803578486071E-16
q -4.901647178801043E-15 1.349676031113876E-14 -2.934184764037301E-12 -1.425343734138062E-14 -4.878305715371143E-13 1.576746613731634E-15
tp 9.17929117382398E-13 -2.934184764037301E-12 2.857850573684559E-8 1.168804831576843E-11 6.072286465668897E-9 -7.731084626955586E-12
node 4.847771101046974E-15 -1.425343734138062E-14 1.168804831576843E-11 2.326684920618479E-9 -2.316668025297353E-9 -4.185311291675472E-12
peri 1.517526916655585E-13 -4.878305715371143E-13 6.072286465668897E-9 -2.316668025297353E-9 3.612500476118871E-9 2.5532562218165E-12
i -3.431803578486071E-16 1.576746613731634E-15 -7.731084626955586E-12 -4.185311291675472E-12 2.5532562218165E-12 2.003545563722502E-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 15.9   n/a MPO436859  

172901 (2005 GY68)          Discovered 2005-Apr-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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