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19398 Creedence (1998 EM8)
Classification: Main-belt Asteroid          SPK-ID: 2019398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2626023043589463 4.3866e-08  
a 2.315608978163876 8.1709e-09 au
q 1.707524724503777 1.0347e-07 au
i 3.878489852914615 3.5625e-06 deg
node 107.3282337327125 6.4122e-05 deg
peri 260.6628746011969 6.457e-05 deg
M 358.6434959187312 1.2107e-05 deg
tp 2459401.349699930711
(2021-Jul-05.84969993)
4.3301e-05 TDB
period 1287.052504422236
3.52
6.8123e-06
1.865e-08
d
yr
n .27970886872374 1.4805e-09 deg/d
Q 2.923693231823974 1.0317e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      16382 days (44.85 yr)  
   first obs. used      1975-10-11  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:32  

Additional Information
 Earth MOID = .711018 au 
 Jupiter MOID = 2.54565 au 
 T_jup = 3.532 
[ 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 14.95   n/a E2021B10  
diameter diameter 2.379 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.375   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19398 Creedence           Discovered 1998 Mar. 2 by P. Sicoli and P. Ghezzi at Sormano.
With its original sound, Creedence Clearwater Revival, frequently referred to as CCR or simply "Creedence", was an American rock band that gained popularity in the late 1960s and early 1970s.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090806/MPCPages.arcLast Updated: 2011-05-09

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Alternate Designations
 1998 EM8 = 1975 TQ6 = 1999 KG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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