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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09196555605088887 4.5926e-08  
a 3.148607841597136 1.7805e-08 au
q 2.859044370658466 1.461e-07 au
i 6.319801071799678 4.5122e-06 deg
node 62.97684668067734 4.1395e-05 deg
peri 155.4819752236473 4.7573e-05 deg
M 31.70543503375901 2.2386e-05 deg
tp 2459020.775409912048
(2020-Jun-20.27540991)
0.00012729 TDB
period 2040.686474188764
5.59
1.731e-05
4.739e-08
d
yr
n .1764112246312169 1.4964e-09 deg/d
Q 3.438171312535806 1.9443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      17445 days (47.76 yr)  
   first obs. used      1972-10-09  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:31:51  

Additional Information
 Earth MOID = 1.85137 au 
 Jupiter MOID = 1.5374 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 13.91   n/a E2021B10  
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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