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212980 (2009 CW37)
Classification: Main-belt Asteroid          SPK-ID: 2212980
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .231456846908788 6.5738e-08  
a 2.688754320767945 1.9457e-08 au
q 2.066423723570616 1.7355e-07 au
i 8.011503688939429 1.1562e-05 deg
node 349.2031932401239 3.2857e-05 deg
peri 242.2873873152234 4.0062e-05 deg
M 148.1271382982921 2.1471e-05 deg
tp 2458337.891136905743
(2018-Aug-07.39113691)
9.5651e-05 TDB
period 1610.367914038631
4.41
1.748e-05
4.786e-08
d
yr
n .2235513989453244 2.4266e-09 deg/d
Q 3.311084917965274 2.3961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7295 days (19.97 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:53:04  

Additional Information
 Earth MOID = 1.07107 au 
 Jupiter MOID = 1.76584 au 
 T_jup = 3.320 
[ 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 15.8   n/a MPO348572  

212980 (2009 CW37)          Discovered 2009-Feb-14 by BATTeRS at Bisei SG Center
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 CW37 = 2005 BK49 = 2005 GN223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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