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117733 (2005 GF20)
Classification: Main-belt Asteroid          SPK-ID: 2117733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033957209070183 5.5035e-08  
a 2.596497990856939 1.3429e-08 au
q 2.328031209258661 1.4898e-07 au
i 14.39440763732823 3.7284e-06 deg
node 40.74338162711584 1.5686e-05 deg
peri 102.6579920241741 2.6772e-05 deg
M 12.49616463447476 1.8673e-05 deg
tp 2459343.453754518844
(2021-May-08.95375452)
7.9376e-05 TDB
period 1528.200766540133
4.18
1.1855e-05
3.246e-08
d
yr
n .2355711421445264 1.8275e-09 deg/d
Q 2.864964772455217 1.4817e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1999-12-13  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:09:52  

Additional Information
 Earth MOID = 1.38705 au 
 Jupiter MOID = 2.21779 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457858.5 (2017-Apr-15.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023606985008399 5.5515e-08  
q 2.330569282041977 1.5012e-07 au
tp 2457818.293493835590
(2017-Mar-05.79349384)
8.3901e-05 TDB
node 40.76488418048244 1.5678e-05 deg
peri 103.3461747167371 2.6819e-05 deg
i 14.39828217650346 3.7288e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1413  
   data-arc span      7840 days (21.46 yr)  
   first obs. used      1999-12-13  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 09:09:52  

Additional Information
 Jupiter MOID = 2.21779 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.081906100686227E-15 -8.312966029454003E-15 1.276213319936132E-12 7.308499711070443E-15 4.682614362637095E-13 -1.410635270573565E-14
q -8.312966029454003E-15 2.253635655888317E-14 -3.725622196529603E-12 -1.954851250926388E-14 -1.333283148360046E-12 3.817420409110143E-14
tp 1.276213319936132E-12 -3.725622196529603E-12 7.03933517652716E-9 -8.666580917602276E-13 1.827691161645846E-9 1.171211565115539E-12
node 7.308499711070443E-15 -1.954851250926388E-14 -8.666580917602276E-13 2.458153511084741E-10 -2.379145530481506E-10 3.413139795665651E-12
peri 4.682614362637095E-13 -1.333283148360046E-12 1.827691161645846E-9 -2.379145530481506E-10 7.192378160978358E-10 -3.740932257940728E-12
i -1.410635270573565E-14 3.817420409110143E-14 1.171211565115539E-12 3.413139795665651E-12 -3.740932257940728E-12 1.390383640096125E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.97   n/a MPCxxxxx  
diameter diameter 3.423 km 0.583 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.199   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117733 (2005 GF20)          Discovered 2005-Apr-02 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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