Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
18558 (1997 CO19)
Classification: Main-belt Asteroid          SPK-ID: 2018558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09237991808160789 3.8132e-08  
a 3.151135123111981 1.6853e-08 au
q 2.860033518574819 1.1823e-07 au
i 6.317184075055162 4.081e-06 deg
node 62.95869989000779 3.8487e-05 deg
peri 155.8984299018624 4.4963e-05 deg
M 65.86632938514398 2.2141e-05 deg
tp 2459022.682242869759
(2020-Jun-22.18224287)
0.00012655 TDB
period 2043.14395265572
5.59
1.6391e-05
4.488e-08
d
yr
n .1761990385122226 1.4136e-09 deg/d
Q 3.442236727649143 1.841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      17836 days (48.83 yr)  
   first obs. used      1972-10-09  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:10:32  

Additional Information
 Earth MOID = 1.85388 au 
 Jupiter MOID = 1.53252 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457399.5 (2016-Jan-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09182773529723584 3.8149e-08  
q 2.860436516141676 1.1855e-07 au
tp 2456973.583559439487
(2014-Nov-12.08355944)
0.00013253 TDB
node 62.99756698694327 3.8465e-05 deg
peri 154.5289204550723 4.5009e-05 deg
i 6.319712881990635 4.0824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      17836 days (48.83 yr)  
   first obs. used      1972-10-09  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:10:32  

Additional Information
 Jupiter MOID = 1.53252 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.455353601660919E-15 -4.485198084131433E-15 -8.034093924246593E-13 -8.288320809751799E-15 -1.171109810740065E-13 -2.509029016820515E-16
q -4.485198084131433E-15 1.405507712712772E-14 1.745788445454941E-12 1.632590160104091E-14 2.461257124958837E-13 8.268349958396604E-16
tp -8.034093924246593E-13 1.745788445454941E-12 1.75636521434398E-8 2.542812983581468E-11 3.116729365286237E-9 -1.341709728916225E-12
node -8.288320809751799E-15 1.632590160104091E-14 2.542812983581468E-11 1.4795725092601E-9 -1.467169616782208E-9 -2.205625317586301E-11
peri -1.171109810740065E-13 2.461257124958837E-13 3.116729365286237E-9 -1.467169616782208E-9 2.025828545818564E-9 2.168076169676417E-11
i -2.509029016820515E-16 8.268349958396604E-16 -1.341709728916225E-12 -2.205625317586301E-11 2.168076169676417E-11 1.666606577582104E-11

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 13.93   n/a MPO636344  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 03:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin