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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999180154958814 6.798e-08  
a 3.11945465619077 3.9815e-08 au
q 2.807534765266004 1.9601e-07 au
i 13.45383717678116 7.3171e-06 deg
node 22.45929434475131 1.9169e-05 deg
peri 216.1623893940947 4.2767e-05 deg
M 103.1256182092693 3.3828e-05 deg
tp 2458624.024961582733
(2019-May-20.52496158)
0.00019235 TDB
period 2012.409888385641
5.51
3.8528e-05
1.055e-07
d
yr
n .1788899975485574 3.4249e-09 deg/d
Q 3.431374547115537 4.3797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:49  

Additional Information
 Earth MOID = 1.80797 au 
 Jupiter MOID = 1.59233 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457693.5 (2016-Nov-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0985111595299524 6.7472e-08  
q 2.813517001127733 1.9354e-07 au
tp 2458629.776812163611
(2019-May-26.27681216)
0.00019822 TDB
node 22.6098905280288 1.9146e-05 deg
peri 217.207064777844 4.372e-05 deg
i 13.46264780055542 7.3186e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:19:49  

Additional Information
 Jupiter MOID = 1.59233 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.552429859534534E-15 -1.289220788257752E-14 -8.348676406219367E-12 1.762317419932413E-14 -1.82902342313131E-12 -3.285454772682034E-15
q -1.289220788257752E-14 3.745746963131522E-14 2.348199106015926E-11 -5.22591911424122E-14 5.06177377761541E-12 1.221939652636915E-14
tp -8.348676406219367E-12 2.348199106015926E-11 3.929050482318426E-8 -3.319883905085957E-11 7.757383156241257E-9 -8.753868576685188E-12
node 1.762317419932413E-14 -5.22591911424122E-14 -3.319883905085957E-11 3.665741452584381E-10 -3.630178807725107E-10 -3.217114848922271E-11
peri -1.82902342313131E-12 5.06177377761541E-12 7.757383156241257E-9 -3.630178807725107E-10 1.911453036985382E-9 2.961895954632637E-11
i -3.285454772682034E-15 1.221939652636915E-14 -8.753868576685188E-12 -3.217114848922271E-11 2.961895954632637E-11 5.356167556391424E-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 15.76   n/a E2021B25  

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

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