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18558 (1997 CO19)
Classification: Main-belt Asteroid          SPK-ID: 2018558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09198022143970261 4.7154e-08  
a 3.149052665408577 2.2594e-08 au
q 2.859402103919011 1.5276e-07 au
i 6.320198525176255 5.0272e-06 deg
node 62.9816120262515 4.9269e-05 deg
peri 155.1411633629177 5.9414e-05 deg
M 286.1546792807456 3.6152e-05 deg
tp 2459019.186341087377
(2020-Jun-18.68634109)
0.00020652 TDB
period 2041.118940555367
5.59
2.1967e-05
6.014e-08
d
yr
n .1763738471321264 1.8982e-09 deg/d
Q 3.438703226898144 2.4672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      17006 days (46.56 yr)  
   first obs. used      1972-10-09  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57421  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:41:24  

Additional Information
 Earth MOID = 1.85308 au 
 Jupiter MOID = 1.53853 au 
 T_jup = 3.192 
[ 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 13.9   n/a MPO474011  
diameter diameter 8.424 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18558 (1997 CO19)          Discovered 1997-Feb-06 by Urata, T. at Oohira
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CO19 = 1972 TM10 = 1998 KR35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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