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19121 (1985 CY1)
Classification: Main-belt Asteroid          SPK-ID: 2019121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2616985624607169 6.8507e-08  
a 3.176171876116832 3.0284e-08 au
q 2.344972262008899 2.1189e-07 au
i 12.27933935207835 8.5058e-06 deg
node 159.3504181297046 2.7845e-05 deg
peri 338.7084585744414 3.1259e-05 deg
M 231.7598998174775 1.3624e-05 deg
tp 2458337.005117093651
(2018-Aug-06.50511709)
8.4381e-05 JED
period 2067.542381644599
5.66
2.9571e-05
8.096e-08
d
yr
n .174119768086032 2.4903e-09 deg/d
Q 4.007371490224765 3.821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      11165 days (30.57 yr)  
   first obs. used      1985-02-12  
   last obs. used      2015-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54517  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 14:02:51  

Additional Information
 Earth MOID = 1.36122 au 
 Jupiter MOID = 1.0692 au 
 T_jup = 3.112 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO347673  

19121 (1985 CY1)          Discovered 1985-Feb-12 by Debehogne, H. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1985 CY1 = 1991 GS9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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