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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603091186727524 5.6706e-08  
a 3.109964283059486 3.1772e-08 au
q 2.611408649738482 1.8411e-07 au
i 27.08915730454636 5.9863e-06 deg
node 136.1538683061215 1.4566e-05 deg
peri 120.5538432634948 2.5369e-05 deg
M 346.7424714884027 1.889e-05 deg
tp 2459074.272006843511
(2020-Aug-12.77200684)
0.00010496 TDB
period 2003.233290460739
5.48
3.0698e-05
8.405e-08
d
yr
n .1797094735367546 2.7539e-09 deg/d
Q 3.60851991638049 3.6865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      6396 days (17.51 yr)  
   first obs. used      2002-12-11  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56127  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:39:56  

Additional Information
 Earth MOID = 1.68395 au 
 Jupiter MOID = 1.93133 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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