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357206 (2002 GW68)
Classification: Main-belt Asteroid          SPK-ID: 2357206
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000169211854909 6.9646e-08  
a 3.121589619627864 4.1631e-08 au
q 2.809377836668098 2.0478e-07 au
i 13.44918431322469 7.9974e-06 deg
node 22.48296432181476 1.9698e-05 deg
peri 216.5272220154557 4.3147e-05 deg
M 66.97250275359868 3.4294e-05 deg
tp 2458625.737466122120
(2019-May-22.23746612)
0.00019391 TDB
period 2014.476190212068
5.52
4.0299e-05
1.103e-07
d
yr
n .1787065053184382 3.575e-09 deg/d
Q 3.433801402587631 4.5795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6688 days (18.31 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:08:05  

Additional Information
 Earth MOID = 1.8112 au 
 Jupiter MOID = 1.59228 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457463.5 (2016-Mar-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09828453798496242 6.9456e-08  
q 2.814796879523422 2.0301e-07 au
tp 2456615.503146844624
(2013-Nov-19.00314684)
0.00021596 TDB
node 22.60916122095639 1.9665e-05 deg
peri 217.1950033508966 4.4045e-05 deg
i 13.462248952197 8.0024e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6688 days (18.31 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:08:05  

Additional Information
 Jupiter MOID = 1.59228 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.824160930874927E-15 -1.390341651252234E-14 -9.886937848222942E-12 1.914502245798882E-14 -1.853197559015221E-12 -4.76220742697847E-15
q -1.390341651252234E-14 4.121458539439314E-14 2.69143607641582E-11 -5.76302831658019E-14 5.148903065806945E-12 1.750946136787245E-14
tp -9.886937848222942E-12 2.69143607641582E-11 4.663848146028667E-8 -3.884473520285174E-11 8.504374480820196E-9 -1.032788532174536E-11
node 1.914502245798882E-14 -5.76302831658019E-14 -3.884473520285174E-11 3.867127238876794E-10 -3.830035751568154E-10 -1.792131831928579E-11
peri -1.853197559015221E-12 5.148903065806945E-12 8.504374480820196E-9 -3.830035751568154E-10 1.939946516420977E-9 1.593143481919023E-11
i -4.76220742697847E-15 1.750946136787245E-14 -1.032788532174536E-11 -1.792131831928579E-11 1.593143481919023E-11 6.403832065109168E-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 15.6   n/a MPO437509  

357206 (2002 GW68)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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Alternate Designations
 2002 GW68 = 2004 TK218 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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