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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618183922374291 6.8506e-08  
a 3.17603072619105 3.0246e-08 au
q 2.344487467763035 2.1189e-07 au
i 12.27976821500503 8.5061e-06 deg
node 159.3504232479202 2.7844e-05 deg
peri 338.6914903332777 3.1255e-05 deg
M 196.968816293351 1.3356e-05 deg
tp 2458336.753923924803
(2018-Aug-06.25392392)
8.4347e-05 JED
period 2067.404559973044
5.66
2.9533e-05
8.086e-08
d
yr
n .1741313756242725 2.4874e-09 deg/d
Q 4.007573984619065 3.8165e-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 = 1.36207 au 
 Jupiter MOID = 1.06977 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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