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312324 (2008 CA138)
Classification: Main-belt Asteroid          SPK-ID: 2312324
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06851998942720602 5.9372e-08  
a 2.783619926485619 3.2274e-08 au
q 2.592886318553465 1.6879e-07 au
i 9.589584550924309 7.1772e-06 deg
node 137.7056096016846 3.4719e-05 deg
peri 341.474312829705 6.3629e-05 deg
M 265.3143292503564 5.6813e-05 deg
tp 2459446.664581618623
(2021-Aug-20.16458162)
0.00027193 TDB
period 1696.3416756839
4.64
2.9502e-05
8.077e-08
d
yr
n .2122213968803554 3.6909e-09 deg/d
Q 2.974353534417773 3.4486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:44  

Additional Information
 Earth MOID = 1.61031 au 
 Jupiter MOID = 2.07221 au 
 T_jup = 3.308 
[ 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 16.1   n/a MPO450243  

312324 (2008 CA138)          Discovered 2008-Feb-08 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 CA138 = 2003 BV9 = 2005 NV37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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