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312297 (2008 CW14)
Classification: Main-belt Asteroid          SPK-ID: 2312297
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09402538493403736 5.8712e-08  
a 2.794686094856014 2.7359e-08 au
q 2.531914659017376 1.5744e-07 au
i 5.674164126835576 5.3906e-06 deg
node 109.1070403960769 6.0899e-05 deg
peri 59.2171313619772 6.7629e-05 deg
M 214.6097778781207 3.2084e-05 deg
tp 2459689.676844506414
(2022-Apr-20.17684451)
0.00015666 TDB
period 1706.46732910502
4.67
2.5059e-05
6.861e-08
d
yr
n .210962140241388 3.0979e-09 deg/d
Q 3.057457530694653 2.9932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:46  

Additional Information
 Earth MOID = 1.5446 au 
 Jupiter MOID = 1.92857 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457133.5 (2015-Apr-21.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09236082457133503 5.9094e-08  
q 2.53830520791892 1.5829e-07 au
tp 2457985.326240318840
(2017-Aug-19.82624032)
0.00014797 TDB
node 109.1801131980202 6.0974e-05 deg
peri 59.70476620857403 6.7839e-05 deg
i 5.669804975061531 5.3857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6555 days (17.95 yr)  
   first obs. used      2001-10-14  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:09:46  

Additional Information
 Jupiter MOID = 1.92857 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.492146008153619E-15 -9.250187105532608E-15 2.034478259369507E-12 -2.199317239815359E-14 3.093743981683993E-13 -2.21688202887688E-15
q -9.250187105532608E-15 2.505591756895175E-14 -4.480948551332003E-12 5.79219348933343E-14 -6.965315652886449E-13 6.492415318930515E-15
tp 2.034478259369507E-12 -4.480948551332003E-12 2.189655333609846E-8 -1.09592832562008E-11 4.425319097440668E-9 -5.674034065128404E-12
node -2.199317239815359E-14 5.79219348933343E-14 -1.09592832562008E-11 3.717857573672639E-9 -3.700604761546532E-9 2.331895331405736E-11
peri 3.093743981683993E-13 -6.965315652886449E-13 4.425319097440668E-9 -3.700604761546532E-9 4.602158560800799E-9 -2.433725295629135E-11
i -2.21688202887688E-15 6.492415318930515E-15 -5.674034065128404E-12 2.331895331405736E-11 -2.433725295629135E-11 2.900528482617527E-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 16.4   n/a MPO440461  

312297 (2008 CW14)          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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