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312341 (2008 CA211)
Classification: Main-belt Asteroid          SPK-ID: 2312341
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07153365105595375 5.7626e-08  
a 2.782064767694343 3.0287e-08 au
q 2.583053517387033 1.5643e-07 au
i 3.473510185624185 6.3685e-06 deg
node 308.5605700041704 7.6533e-05 deg
peri 22.8931600995859 8.5289e-05 deg
M 73.9374435511871 3.4773e-05 deg
tp 2458652.394238770456
(2019-Jun-17.89423877)
0.00016426 TDB
period 1694.920300508871
4.64
2.7677e-05
7.578e-08
d
yr
n .212399367623313 3.4684e-09 deg/d
Q 2.981076018001653 3.2453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8047 days (22.03 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:45:27  

Additional Information
 Earth MOID = 1.5725 au 
 Jupiter MOID = 2.27327 au 
 T_jup = 3.326 
[ 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 16.5   n/a MPO455302  
diameter diameter 2.539 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312341 (2008 CA211)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
2096-Nov-15 00:20 00:29 Iris 0.0492013242210294 0.0491707294594798 0.0492319569660399 3.32802978717217 3.32802975206393 2486927.513589695 28.6313329038736 2648.44054856483 150.499486276489 -54.9549663326313 40039.8720230309 T 17 CATAB v2.0f-lin.ifort 2020-Feb-25 18:45:29 2020-Feb-25 18:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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