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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 ]

[ 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 .1000169058277577 7.3046e-08  
a 3.121589628293687 4.3998e-08 au
q 2.809377892407731 2.204e-07 au
i 13.44918824427595 9.2501e-06 deg
node 22.48296701337724 2.0006e-05 deg
peri 216.5272216866225 4.3248e-05 deg
M 66.97249886964029 3.4633e-05 deg
tp 2458625.737486295284
(2019-May-22.23748630)
0.00019546 TDB
period 2014.476198600627
5.52
4.259e-05
1.166e-07
d
yr
n .1787065045742794 3.7782e-09 deg/d
Q 3.433801364179642 4.8399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2002-04-08  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:41  

Additional Information
 Earth MOID = 1.8112 au 
 Jupiter MOID = 1.59228 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457287.5 (2015-Sep-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09810798633226556 7.2887e-08  
q 2.815803324937402 2.187e-07 au
tp 2456615.472113834081
(2013-Nov-18.97211383)
0.00021693 TDB
node 22.60930266165048 1.9971e-05 deg
peri 217.2303948146935 4.4237e-05 deg
i 13.46115989706288 9.2558e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6284 days (17.20 yr)  
   first obs. used      2002-04-08  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:41  

Additional Information
 Jupiter MOID = 1.59228 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.312527416164043E-15 -1.57018127849759E-14 -1.018308800367629E-11 1.424668954346342E-14 -1.903131340420995E-12 -1.716802536876495E-14
q -1.57018127849759E-14 4.783031911815562E-14 2.798590706245397E-11 -4.417630649566771E-14 5.33433236186708E-12 5.688952448023101E-14
tp -1.018308800367629E-11 2.798590706245397E-11 4.705679791357428E-8 -1.65798544806455E-11 8.557906396724129E-9 2.266255314539697E-11
node 1.424668954346342E-14 -4.417630649566771E-14 -1.65798544806455E-11 3.988522948237858E-10 -3.90669618976292E-10 -1.790835842589492E-12
peri -1.903131340420995E-12 5.33433236186708E-12 8.557906396724129E-9 -3.90669618976292E-10 1.956902556562325E-9 6.377872865784653E-12
i -1.716802536876495E-14 5.688952448023101E-14 2.266255314539697E-11 -1.790835842589492E-12 6.377872865784653E-12 8.567051942210595E-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

[ 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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