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305395 (2008 CW64)
Classification: Main-belt Asteroid          SPK-ID: 2305395
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 .1358153886310403 5.0957e-08  
a 3.094181034195065 3.3438e-08 au
q 2.673943634541069 1.6301e-07 au
i 3.3149431756666 5.857e-06 deg
node 198.0025169212379 0.0001092 deg
peri 332.1629489327068 0.00011163 deg
M 73.45723010835329 2.3775e-05 deg
tp 2458594.852266347777
(2019-Apr-21.35226635)
0.00012945 TDB
period 1988.002867782977
5.44
3.2225e-05
8.823e-08
d
yr
n .1810862578892918 2.9354e-09 deg/d
Q 3.514418433849062 3.7979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5834 days (15.97 yr)  
   first obs. used      2003-04-04  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:04  

Additional Information
 Earth MOID = 1.68045 au 
 Jupiter MOID = 1.46343 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361153861560234 5.0833e-08  
q 2.671926943479287 1.6324e-07 au
tp 2456603.982438140446
(2013-Nov-07.48243814)
0.00012446 TDB
node 198.0445628147708 0.00010919 deg
peri 331.399148040664 0.00011162 deg
i 3.315124271377098 5.8587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5834 days (15.97 yr)  
   first obs. used      2003-04-04  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:04  

Additional Information
 Jupiter MOID = 1.46343 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.583973069990345E-15 -8.162048548389E-15 7.128129429865646E-14 -4.025718334367146E-15 9.692399552088626E-15 2.725020567479992E-16
q -8.162048548389E-15 2.664701122536238E-14 -1.529308443588208E-13 -8.081152105776787E-15 4.487708339075193E-14 -3.46671861631412E-16
tp 7.128129429865646E-14 -1.529308443588208E-13 1.549112747905037E-8 -1.719610481240371E-11 2.92614666131668E-9 -1.058997949918263E-12
node -4.025718334367146E-15 -8.081152105776787E-15 -1.719610481240371E-11 1.192306940193968E-8 -1.190768793569525E-8 6.356659642014542E-11
peri 9.692399552088626E-15 4.487708339075193E-14 2.92614666131668E-9 -1.190768793569525E-8 1.245892653677926E-8 -6.359630978119559E-11
i 2.725020567479992E-16 -3.46671861631412E-16 -1.058997949918263E-12 6.356659642014542E-11 -6.359630978119559E-11 3.432476949843789E-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 16.1   n/a MPO471206  

305395 (2008 CW64)          Discovered 2008-Feb-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 CW64 = 2006 UY280 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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