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18327 (1985 CX1)
Classification: Main-belt Asteroid          SPK-ID: 2018327
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07901748352243239 7.1652e-08  
a 2.23061205638847 1.0801e-08 AU
q 2.054354704977855 1.6042e-07 AU
i 2.570920831774051 6.8688e-06 deg
node 220.0352544251142 0.00011511 deg
peri 330.9637011922286 0.00011866 deg
M 299.6684269388072 2.7676e-05 deg
tp 2457204.427898128685
(2015-Jun-30.92789813)
9.3793e-05 JED
period 1216.842850291083
3.33
8.838e-06
2.42e-08
d
yr
n .295847569728403 2.1488e-09 deg/d
Q 2.406869407799085 1.1654e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      15561 days (42.60 yr)  
   first obs. used      1972-04-19  
   last obs. used      2014-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56168  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:38:46  

Additional Information
 Earth MOID = 1.05556 AU 
 T_jup = 3.637 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO244350  

18327 (1985 CX1)          Discovered 1985-Feb-12 by Debehogne, H. at La Silla (809)
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1985 CX1 = 1972 HG1 = 1993 RY15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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