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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0827129105775338 5.9187e-08  
a 3.254539725864969 4.4676e-08 au
q 2.985347272548468 2.0389e-07 au
i 1.577651676815328 8.8608e-06 deg
node 14.11208942852826 0.00024112 deg
peri 228.4496079586216 0.00024772 deg
M 15.55108892882597 5.512e-05 deg
tp 2459303.861589122470
(2021-Mar-30.36158912)
0.00032839 TDB
period 2144.533290790506
5.87
4.4158e-05
1.209e-07
d
yr
n .1678686927108969 3.4566e-09 deg/d
Q 3.523732179181469 4.8372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:10  

Additional Information
 Earth MOID = 1.97304 au 
 Jupiter MOID = 1.48384 au 
 T_jup = 3.175 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457435.5 (2016-Feb-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08240183670128425 5.9304e-08  
q 2.988094041514727 2.0428e-07 au
tp 2457150.392671216166
(2015-May-07.89267122)
0.00033276 TDB
node 14.15058984091397 0.00024103 deg
peri 227.2874141835954 0.00024765 deg
i 1.578133468933495 8.8592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2002-02-06  
   last obs. used      2020-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:10  

Additional Information
 Jupiter MOID = 1.48384 au 
 T_jup = 3.175 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.516980902724383E-15 -1.187247183625153E-14 -3.136545466785825E-12 3.16386894405158E-14 -4.713819017133694E-13 -2.680095160011685E-15
q -1.187247183625153E-14 4.173111912808718E-14 8.210185195742784E-12 -1.728536467117285E-13 1.268191126542519E-12 1.240087687012336E-14
tp -3.136545466785825E-12 8.210185195742784E-12 1.107311080250327E-7 2.255388312680136E-10 1.896860091056492E-8 3.610520728943587E-12
node 3.16386894405158E-14 -1.728536467117285E-13 2.255388312680136E-10 5.809309283821985E-8 -5.803414109249323E-8 -7.199273206817508E-10
peri -4.713819017133694E-13 1.268191126542519E-12 1.896860091056492E-8 -5.803414109249323E-8 6.133094089298244E-8 7.204382901855062E-10
i -2.680095160011685E-15 1.240087687012336E-14 3.610520728943587E-12 -7.199273206817508E-10 7.204382901855062E-10 7.848475890948015E-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 16.06   n/a E2021B25  

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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