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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .110111275869185 5.3552e-08  
a 2.424588838666619 2.0095e-08 au
q 2.157614268182852 1.3365e-07 au
i 5.178126265266722 6.2551e-06 deg
node 59.02339569227364 7.0371e-05 deg
peri 199.9708705995155 7.6823e-05 deg
M 301.225939183406 3.368e-05 deg
tp 2458825.632801958022
(2019-Dec-08.13280196)
0.00012993 TDB
period 1378.972417063367
3.78
1.7144e-05
4.694e-08
d
yr
n .2610639600512452 3.2456e-09 deg/d
Q 2.691563409150386 2.2308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5515 days (15.10 yr)  
   first obs. used      2004-03-18  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:33:07  

Additional Information
 Earth MOID = 1.14304 au 
 Jupiter MOID = 2.34975 au 
 T_jup = 3.497 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457050.5 (2015-Jan-28.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097406385182466 5.3661e-08  
q 2.1598343792209 1.3392e-07 au
tp 2457444.635395486761
(2016-Feb-26.13539549)
0.00012536 TDB
node 59.05710424876377 7.0375e-05 deg
peri 199.4589593057153 7.6834e-05 deg
i 5.177283455553295 6.2531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5515 days (15.10 yr)  
   first obs. used      2004-03-18  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:33:07  

Additional Information
 Jupiter MOID = 2.34975 au 
 T_jup = 3.497 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.879469650701195E-15 -7.122332604378992E-15 -1.209266106252719E-12 3.551691404763176E-15 -2.47670714726269E-13 -1.784628667076216E-15
q -7.122332604378992E-15 1.793488846054214E-14 3.436345794988248E-12 -3.627049541478034E-15 6.950396244976635E-13 5.26191955131668E-15
tp -1.209266106252719E-12 3.436345794988248E-12 1.571450961897041E-8 3.584220788431183E-11 3.901718094476546E-9 9.031616898616104E-12
node 3.551691404763176E-15 -3.627049541478034E-15 3.584220788431183E-11 4.952686219022797E-9 -4.923316615948999E-9 -7.821633094402536E-11
peri -2.47670714726269E-13 6.950396244976635E-13 3.901718094476546E-9 -4.923316615948999E-9 5.903527515450724E-9 8.002689305425406E-11
i -1.784628667076216E-15 5.26191955131668E-15 9.031616898616104E-12 -7.821633094402536E-11 8.002689305425406E-11 3.91017073708579E-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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