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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07901748506449596 7.3565e-08  
a 2.230612056530013 1.0931e-08 AU
q 2.054354701668468 1.6433e-07 AU
i 2.570920937247313 7.0611e-06 deg
node 220.0352526864895 0.00011618 deg
peri 330.9637029908983 0.0001197 deg
M 299.6684267720002 2.7816e-05 deg
tp 2457204.427898711923
(2015-Jun-30.92789871)
9.4288e-05 JED
period 1216.842850406905
3.33
8.9443e-06
2.449e-08
d
yr
n .2958475697002436 2.1746e-09 deg/d
Q 2.406869411391558 1.1794e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      15528 days (42.51 yr)  
   first obs. used      1972-04-19  
   last obs. used      2014-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55631  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:31:33  

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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