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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304985154019919 4.2926e-08  
a 2.656318070072771 1.9669e-08 au
q 2.30967250549279 1.1413e-07 au
i 7.194919063352169 6.288e-06 deg
node 159.1007721762041 4.837e-05 deg
peri 322.8635054119355 6.0263e-05 deg
M 13.35447207929528 3.1987e-05 deg
tp 2459141.839904523808
(2020-Oct-19.33990452)
0.00014059 TDB
period 1581.315550778677
4.33
1.7563e-05
4.808e-08
d
yr
n .2276585465960462 2.5286e-09 deg/d
Q 3.002963634652752 2.2236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6696 days (18.33 yr)  
   first obs. used      2002-11-12  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:23  

Additional Information
 Earth MOID = 1.32965 au 
 Jupiter MOID = 2.06802 au 
 T_jup = 3.364 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457545.5 (2016-Jun-06.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291338027655786 4.3222e-08  
q 2.312967833993671 1.15e-07 au
tp 2457563.044882184948
(2016-Jun-23.54488218)
0.00014567 TDB
node 159.1570660778048 4.8324e-05 deg
peri 323.3687218518547 6.0415e-05 deg
i 7.197600362566 6.2917e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6696 days (18.33 yr)  
   first obs. used      2002-11-12  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63212  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:23  

Additional Information
 Jupiter MOID = 2.06802 au 
 T_jup = 3.364 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.868126205034818E-15 -4.914450084504502E-15 9.931763904658445E-13 -1.296386504457793E-14 2.723391844361059E-13 -2.78571072487217E-16
q -4.914450084504502E-15 1.322473927629346E-14 -3.333267567240585E-12 3.239310906362894E-14 -8.921510007381205E-13 6.698841752445163E-16
tp 9.931763904658445E-13 -3.333267567240585E-12 2.122048447399049E-8 -1.959195972053526E-11 5.319821033448954E-9 1.289625040914449E-11
node -1.296386504457793E-14 3.239310906362894E-14 -1.959195972053526E-11 2.335222928875669E-9 -2.321801662782321E-9 1.018709696497897E-10
peri 2.723391844361059E-13 -8.921510007381205E-13 5.319821033448954E-9 -2.321801662782321E-9 3.649976465673376E-9 -9.786879839683672E-11
i -2.78571072487217E-16 6.698841752445163E-16 1.289625040914449E-11 1.018709696497897E-10 -9.786879839683672E-11 3.958545721074427E-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

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