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447989 (2008 CD187)
Classification: Main-belt Asteroid          SPK-ID: 2447989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2440995870575126 1.2598e-07  
a 2.607800396294826 4.47e-08 au
q 1.971237396430842 3.5811e-07 au
i 12.99532172073742 6.8931e-06 deg
node 167.7593079198033 3.701e-05 deg
peri 280.7087290249685 4.4491e-05 deg
M 10.00835149191033 2.8459e-05 deg
tp 2458957.736819733554
(2020-Apr-18.23681973)
0.00012068 TDB
period 1538.189871565164
4.21
3.9549e-05
1.083e-07
d
yr
n .2340413278327512 6.0175e-09 deg/d
Q 3.244363396158811 5.5611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      4784 days (13.10 yr)  
   first obs. used      2006-09-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:49  

Additional Information
 Earth MOID = 1.03471 au 
 Jupiter MOID = 2.13433 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457639.5 (2016-Sep-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421581750091114 1.2546e-07  
q 1.977485545333613 3.5589e-07 au
tp 2457419.613177001382
(2016-Feb-01.11317700)
9.2144e-05 TDB
node 167.8269620677196 3.6945e-05 deg
peri 280.7926399233985 4.4597e-05 deg
i 13.00093827490164 6.8971e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      4784 days (13.10 yr)  
   first obs. used      2006-09-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:49  

Additional Information
 Jupiter MOID = 2.13433 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.574111871809283E-14 -4.459951338213306E-14 -8.694182026478071E-12 -1.123043977172293E-13 -2.072763061092587E-12 -2.112332334670284E-13
q -4.459951338213306E-14 1.26657432322919E-13 2.470173836723519E-11 3.086524637488208E-13 5.924261975571024E-12 5.999732263342362E-13
tp -8.694182026478071E-12 2.470173836723519E-11 8.490436697414843E-9 2.879473326732488E-11 2.358132103211561E-9 1.342563759716881E-10
node -1.123043977172293E-13 3.086524637488208E-13 2.879473326732488E-11 1.364914630465141E-9 -1.326711470088445E-9 1.523880691390233E-10
peri -2.072763061092587E-12 5.924261975571024E-12 2.358132103211561E-9 -1.326711470088445E-9 1.988853149825823E-9 -1.138811495968029E-10
i -2.112332334670284E-13 5.999732263342362E-13 1.342563759716881E-10 1.523880691390233E-10 -1.138811495968029E-10 4.757057180855957E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO503583  

447989 (2008 CD187)          Discovered 2008-Feb-02 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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