Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
312316 (2008 CG117)
Classification: Main-belt Asteroid          SPK-ID: 2312316
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0821907432108874 5.3507e-08  
a 2.681414209539227 2.8918e-08 au
q 2.461026782800964 1.3549e-07 au
i 10.75490424859159 5.7247e-06 deg
node 84.91672245545524 2.8305e-05 deg
peri 158.8150351811831 4.3608e-05 deg
M 200.0596414078283 3.4346e-05 deg
tp 2459713.024580673317
(2022-May-13.52458067)
0.00015738 TDB
period 1603.778128924046
4.39
2.5944e-05
7.103e-08
d
yr
n .2244699522380439 3.6312e-09 deg/d
Q 2.90180163627749 3.1294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:00  

Additional Information
 Earth MOID = 1.4501 au 
 Jupiter MOID = 2.1345 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457340.5 (2015-Nov-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08318213282394549 5.3331e-08  
q 2.457302711740857 1.3509e-07 au
tp 2458111.763498640462
(2017-Dec-24.26349864)
0.00014709 TDB
node 84.9695763247406 2.8334e-05 deg
peri 159.3493465154324 4.3406e-05 deg
i 10.75127979909202 5.7224e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      5733 days (15.70 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:00  

Additional Information
 Jupiter MOID = 2.1345 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.844164559229226E-15 -7.085868678212382E-15 7.532583741269128E-13 -8.234207757279602E-16 1.286530201268424E-13 -3.615365365754E-15
q -7.085868678212382E-15 1.824982007662993E-14 -1.050551999379554E-12 3.426121442114207E-15 -1.932296469341202E-13 1.124182034372447E-14
tp 7.532583741269128E-13 -1.050551999379554E-12 2.163632669806958E-8 2.964232148256379E-11 4.85128224692161E-9 1.444265443869336E-11
node -8.234207757279602E-16 3.426121442114207E-15 2.964232148256379E-11 8.028325191516632E-10 -7.817245606054382E-10 -9.29648726345675E-12
peri 1.286530201268424E-13 -1.932296469341202E-13 4.85128224692161E-9 -7.817245606054382E-10 1.884075870787811E-9 1.22597971205714E-11
i -3.615365365754E-15 1.124182034372447E-14 1.444265443869336E-11 -9.29648726345675E-12 1.22597971205714E-11 3.274589160474186E-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 15.9   n/a MPO455302  

312316 (2008 CG117)          Discovered 2008-Feb-09 by Dellinger, J., Eastman, M. at Needville
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 CG117 = 2004 EU94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-26 22:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin