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249191 (2008 CW178)
Classification: Main-belt Asteroid          SPK-ID: 2249191
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601013631503435 5.7191e-08  
a 3.10996762179819 4.503e-08 au
q 2.612057566194868 1.8486e-07 au
i 27.08779856617845 8.8111e-06 deg
node 136.1530585008635 1.503e-05 deg
peri 120.4774966946051 3.4102e-05 deg
M 274.9052761311161 3.4961e-05 deg
tp 2459074.013495008810
(2020-Aug-12.51349501)
0.00020002 TDB
period 2003.236516353564
5.48
4.3508e-05
1.191e-07
d
yr
n .1797091841433172 3.9031e-09 deg/d
Q 3.607877677401512 5.2239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5958 days (16.31 yr)  
   first obs. used      2002-12-11  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63704  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:06:08  

Additional Information
 Earth MOID = 1.68419 au 
 Jupiter MOID = 1.92959 au 
 T_jup = 3.032 
[ show covariance matrix ]

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 15.0   n/a MPO281360  
diameter diameter 6.023 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249191 (2008 CW178)          Discovered 2008-Feb-06 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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