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305446 (2008 CP195)
Classification: Outer Main-belt Asteroid          SPK-ID: 2305446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08278702318247011 6.2514e-08  
a 3.255086479329099 5.0119e-08 au
q 2.985607559503936 2.0918e-07 au
i 1.577562209909032 8.9282e-06 deg
node 14.11233926752682 0.00026185 deg
peri 228.2150207361762 0.00026791 deg
M 309.2868079105052 5.5073e-05 deg
tp 2459302.676488755481
(2021-Mar-29.17648876)
0.00032802 TDB
period 2145.073726773107
5.87
4.9542e-05
1.356e-07
d
yr
n .1678263993944664 3.8761e-09 deg/d
Q 3.524565399154262 5.4269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Earth MOID = 1.97306 au 
 Jupiter MOID = 1.48487 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08221865658580242 6.272e-08  
q 2.988033853843072 2.0955e-07 au
tp 2457150.032017850118
(2015-May-07.53201785)
0.00033377 TDB
node 14.15267188991614 0.00026173 deg
peri 227.2169481177069 0.00026786 deg
i 1.578158762561718 8.9274e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61671  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:42  

Additional Information
 Jupiter MOID = 1.48487 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.933837084810273E-15 -1.282701341328675E-14 -3.481338008921337E-12 2.345145614854624E-14 -5.538100370796057E-13 -2.421800833657802E-15
q -1.282701341328675E-14 4.391299111681031E-14 9.009381150915997E-12 -1.57533950112212E-13 1.462278398205812E-12 1.175276595271541E-14
tp -3.481338008921337E-12 9.009381150915997E-12 1.114003926623331E-7 2.643918886414114E-10 1.907497535634933E-8 3.561270243880066E-12
node 2.345145614854624E-14 -1.57533950112212E-13 2.643918886414114E-10 6.850178139842719E-8 -6.843144015378168E-8 -6.140806111263414E-10
peri -5.538100370796057E-13 1.462278398205812E-12 1.907497535634933E-8 -6.843144015378168E-8 7.174936839390821E-8 6.146053680068096E-10
i -2.421800833657802E-15 1.175276595271541E-14 3.561270243880066E-12 -6.140806111263414E-10 6.146053680068096E-10 7.969776518636918E-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 15.9   n/a MPO427632  

305446 (2008 CP195)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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