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305381 (2008 CU29)
Classification: Main-belt Asteroid          SPK-ID: 2305381
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07521643746488581 1.1772e-07  
a 3.120302114650099 6.6212e-08 au
q 2.885604105771969 4.0989e-07 au
i 17.47684907962654 1.0545e-05 deg
node 325.4880551505534 2.9315e-05 deg
peri 345.3861126956239 7.8019e-05 deg
M 343.9464338596885 7.1692e-05 deg
tp 2459486.276447447678
(2021-Sep-28.77644745)
0.00040042 TDB
period 2013.2300075064
5.51
6.4081e-05
1.754e-07
d
yr
n .1788171240532513 5.6917e-09 deg/d
Q 3.355000123528229 7.1192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      5409 days (14.81 yr)  
   first obs. used      2005-07-31  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:54:55  

Additional Information
 Earth MOID = 1.87425 au 
 Jupiter MOID = 1.98073 au 
 T_jup = 3.141 
[ 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 16.09   n/a E2021B25  
diameter diameter 3.978 km 0.492 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

305381 (2008 CU29)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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