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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07448246222655895 1.6621e-07  
a 3.117743304441158 8.0689e-08 au
q 2.885526106536012 5.4422e-07 au
i 17.47618233508521 1.3331e-05 deg
node 325.4930149881044 3.2966e-05 deg
peri 345.6964043436415 9.4141e-05 deg
M 272.7384197142335 8.7481e-05 deg
tp 2459487.893275094124
(2021-Sep-30.39327509)
0.00048463 TDB
period 2010.754085122895
5.51
7.806e-05
2.137e-07
d
yr
n .1790373087706532 6.9504e-09 deg/d
Q 3.349960502346303 8.6699e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4909 days (13.44 yr)  
   first obs. used      2005-07-31  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57834  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:20:29  

Additional Information
 Earth MOID = 1.87474 au 
 Jupiter MOID = 1.98612 au 
 T_jup = 3.142 
[ 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 16.0   n/a MPO455250  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2074-Jan-24 20:37 00:06 Jupiter 1.99251991997106 1.99251837378113 1.99252146616183 5.35086167719013 5.27081761987326 2478597.359124915 6.2412334788149 928.790396027479 72.388222889942 -89.3717073196106 1243109.77163775 T 7 CATAB v2.0e-lin.ifort 2019-Jul-14 10:20:30 2019-Jul-14 10:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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