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295275 (2008 GC81)
Classification: Main-belt Asteroid          SPK-ID: 2295275
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477000998081446 6.8431e-08  
a 2.41579741175103 2.2601e-08 au
q 2.058983892919145 1.7305e-07 au
i 4.086183335640555 6.4187e-06 deg
node 101.5219809952105 0.00012665 deg
peri 163.0049914198899 0.00013068 deg
M 50.00354655176113 3.5272e-05 deg
tp 2458810.003280252484
(2019-Nov-22.50328025)
0.0001335 TDB
period 1371.479101749645
3.75
1.9246e-05
5.269e-08
d
yr
n .2624903285370773 3.6835e-09 deg/d
Q 2.772610930582914 2.5939e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6483 days (17.75 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:47  

Additional Information
 Earth MOID = 1.04358 au 
 Jupiter MOID = 2.29978 au 
 T_jup = 3.498 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457332.5 (2015-Nov-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468464991570584 6.8539e-08  
q 2.060950768725635 1.7291e-07 au
tp 2457438.640836341188
(2016-Feb-20.14083634)
0.00012969 TDB
node 101.5342125412334 0.00012668 deg
peri 163.1049350970125 0.00013076 deg
i 4.085595926310882 6.4162e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6483 days (17.75 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5142  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:47  

Additional Information
 Jupiter MOID = 2.29978 au 
 T_jup = 3.498 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.697598116013505E-15 -1.178744664088679E-14 -1.763936989556083E-12 -4.25572596871241E-15 -1.831988535852647E-13 -4.844328389661254E-15
q -1.178744664088679E-14 2.989771753057849E-14 4.690474223711613E-12 1.312934403731002E-14 5.157632934253995E-13 1.366259404031141E-14
tp -1.763936989556083E-12 4.690474223711613E-12 1.681846587400543E-8 2.81216085657488E-11 4.275887095010832E-9 2.121873765766645E-11
node -4.25572596871241E-15 1.312934403731002E-14 2.81216085657488E-11 1.604902064127549E-8 -1.600135816540745E-8 1.611066033794476E-10
peri -1.831988535852647E-13 5.157632934253995E-13 4.275887095010832E-9 -1.600135816540745E-8 1.709816446824178E-8 -1.555258227969007E-10
i -4.844328389661254E-15 1.366259404031141E-14 2.121873765766645E-11 1.611066033794476E-10 -1.555258227969007E-10 4.116788675699535E-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 17.3   n/a MPO476295  

295275 (2008 GC81)          Discovered 2008-Apr-07 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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