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215836 (2005 CW18)
Classification: Main-belt Asteroid          SPK-ID: 2215836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819453879586669 4.85e-08  
a 2.325073987429721 1.2835e-08 au
q 1.902037498754216 1.097e-07 au
i 5.278167182806289 4.4338e-06 deg
node 135.8041575706415 6.0116e-05 deg
peri 50.6693411792589 6.1534e-05 deg
M 80.49096095702166 1.466e-05 deg
tp 2458710.966910553594
(2019-Aug-15.46691055)
5.1637e-05 TDB
period 1294.951768017293
3.55
1.0723e-05
2.936e-08
d
yr
n .2780026321375643 2.302e-09 deg/d
Q 2.748110476105226 1.517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      7623 days (20.87 yr)  
   first obs. used      1998-02-24  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58733  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 00:41:00  

Additional Information
 Earth MOID = .909138 au 
 Jupiter MOID = 2.21522 au 
 T_jup = 3.547 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO418156  

215836 (2005 CW18)          Discovered 2005-Feb-02 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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