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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09184438078762375 4.6008e-08  
a 3.148036826547911 1.7977e-08 au
q 2.858907333516982 1.465e-07 au
i 6.320278905592132 4.5274e-06 deg
node 62.97715217946211 4.1584e-05 deg
peri 155.3606766806359 4.7779e-05 deg
M 356.5234379998173 2.2555e-05 deg
tp 2459020.201786627682
(2020-Jun-19.70178663)
0.00012778 TDB
period 2040.131367020907
5.59
1.7475e-05
4.784e-08
d
yr
n .1764592250378898 1.5115e-09 deg/d
Q 3.43716631957884 1.9628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1253  
   data-arc span      17417 days (47.69 yr)  
   first obs. used      1972-10-09  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54786  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:23:30  

Additional Information
 Earth MOID = 1.85239 au 
 Jupiter MOID = 1.53946 au 
 T_jup = 3.193 
[ 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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