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312298 (2008 CQ17)
Classification: Main-belt Asteroid          SPK-ID: 2312298
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1304563576205782 4.9436e-08  
a 2.65527604243099 2.5788e-08 au
q 2.30887840145826 1.3918e-07 au
i 7.195251784116531 6.7329e-06 deg
node 159.1123992692864 6.7553e-05 deg
peri 323.0541742222472 7.8652e-05 deg
M 236.5360644777707 4.0657e-05 deg
tp 2459142.501586772064
(2020-Oct-20.00158677)
0.00018092 TDB
period 1580.385157921781
4.33
2.3023e-05
6.303e-08
d
yr
n .2277925720799624 3.3185e-09 deg/d
Q 3.001673683403721 2.9152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6194 days (16.96 yr)  
   first obs. used      2002-11-12  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64541  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:00  

Additional Information
 Earth MOID = 1.32923 au 
 Jupiter MOID = 2.07071 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291150350154108 4.9505e-08  
q 2.313350527044193 1.3922e-07 au
tp 2457562.715028769273
(2016-Jun-23.21502877)
0.00017665 TDB
node 159.1567400474383 6.7478e-05 deg
peri 323.2688996796629 7.8764e-05 deg
i 7.197537719168785 6.7357e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6194 days (16.96 yr)  
   first obs. used      2002-11-12  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64541  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:32:00  

Additional Information
 Jupiter MOID = 2.07071 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.4507805017013E-15 -6.808536096167431E-15 -1.424550995081397E-12 -2.323228670617486E-14 -2.252788134098209E-13 -3.774475987113306E-15
q -6.808536096167431E-15 1.938335740180783E-14 4.541780867099989E-12 6.776764998628364E-14 7.265925718497255E-13 1.218373097909206E-14
tp -1.424550995081397E-12 4.541780867099989E-12 3.120500727134836E-8 1.322103261626581E-10 7.263219399026918E-9 3.332572817462853E-11
node -2.323228670617486E-14 6.776764998628364E-14 1.322103261626581E-10 4.553252895928823E-9 -4.487786769127906E-9 2.1435406069531E-10
peri -2.252788134098209E-13 7.265925718497255E-13 7.263219399026918E-9 -4.487786769127906E-9 6.20369002414505E-9 -2.050339531039632E-10
i -3.774475987113306E-15 1.218373097909206E-14 3.332572817462853E-11 2.1435406069531E-10 -2.050339531039632E-10 4.537029117679231E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO503318  

312298 (2008 CQ17)          Discovered 2008-Feb-03 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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