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305437 (2008 CA178)
Classification: Main-belt Asteroid          SPK-ID: 2305437
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207039195062639 4.7879e-08  
a 2.69668735614604 2.5847e-08 au
q 2.101517886961624 1.2883e-07 au
i 13.55070470426725 6.2446e-06 deg
node 109.597427095645 2.8983e-05 deg
peri 337.6059546726879 3.5677e-05 deg
M 313.8255523436646 2.4541e-05 deg
tp 2459207.964375701058
(2020-Dec-24.46437570)
0.00011261 TDB
period 1617.500133585971
4.43
2.3255e-05
6.367e-08
d
yr
n .222565669408562 3.1998e-09 deg/d
Q 3.291856825330455 3.1551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7548 days (20.67 yr)  
   first obs. used      1998-12-24  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53519  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:43  

Additional Information
 Earth MOID = 1.12413 au 
 Jupiter MOID = 1.93665 au 
 T_jup = 3.295 
[ 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 16.3   n/a MPO455250  

305437 (2008 CA178)          Discovered 2008-Feb-06 by CSS at Catalina
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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