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266557 (2008 GF38)
Classification: Main-belt Asteroid          SPK-ID: 2266557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104647525880937 4.1071e-08  
a 2.425308675987221 1.557e-08 au
q 2.157397553144535 9.4379e-08 au
i 5.176089944402737 4.1576e-06 deg
node 59.00779552934263 6.5517e-05 deg
peri 199.7084332727242 7.1233e-05 deg
M 45.85401360723225 2.8958e-05 deg
tp 2458824.778940902805
(2019-Dec-07.27894090)
0.00011079 TDB
period 1379.586568295795
3.78
1.3285e-05
3.637e-08
d
yr
n .2609477420795046 2.5128e-09 deg/d
Q 2.693219798829906 1.7289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6053 days (16.57 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:51  

Additional Information
 Earth MOID = 1.14315 au 
 Jupiter MOID = 2.34744 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457910.5 (2017-Jun-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097226336026783 4.1109e-08  
q 2.159228913920827 9.4372e-08 au
tp 2457445.831064892433
(2016-Feb-27.33106489)
0.00011093 TDB
node 59.02458706409333 6.5467e-05 deg
peri 199.8528285148402 7.1238e-05 deg
i 5.178042152881872 4.1596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6053 days (16.57 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59561  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:24:51  

Additional Information
 Jupiter MOID = 2.34744 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.689917892723736E-15 -3.845825081260393E-15 4.362926614736104E-13 3.077899852675824E-15 6.875684863572507E-14 -5.874826146931639E-16
q -3.845825081260393E-15 8.906044252393397E-15 -1.100681603897357E-12 -4.910994464588027E-15 -1.740019497696892E-13 1.461076450425645E-15
tp 4.362926614736104E-13 -1.100681603897357E-12 1.230589370358888E-8 2.405654762019117E-11 3.159556572479601E-9 -1.062450600814635E-11
node 3.077899852675824E-15 -4.910994464588027E-15 2.405654762019117E-11 4.285878467655102E-9 -4.261954408674942E-9 -6.928015182567398E-11
peri 6.875684863572507E-14 -1.740019497696892E-13 3.159556572479601E-9 -4.261954408674942E-9 5.074913905915743E-9 6.626923304676113E-11
i -5.874826146931639E-16 1.461076450425645E-15 -1.062450600814635E-11 -6.928015182567398E-11 6.626923304676113E-11 1.730217139308323E-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 17.1   n/a MPO326226  

266557 (2008 GF38)          Discovered 2008-Apr-03 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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