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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07901743719473785 6.7257e-08  
a 2.230612047210133 1.0475e-08 AU
q 2.05435479986388 1.5163e-07 AU
i 2.570920719465386 6.3703e-06 deg
node 220.0352595260306 0.00011392 deg
peri 330.9636931037714 0.00011751 deg
M 299.6684354798247 2.7113e-05 deg
tp 2457204.427868000371
(2015-Jun-30.92786800)
9.1805e-05 JED
period 1216.842842780638
3.33
8.5713e-06
2.347e-08
d
yr
n .2958475715543966 2.0839e-09 deg/d
Q 2.406869294556385 1.1303e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      15626 days (42.78 yr)  
   first obs. used      1972-04-19  
   last obs. used      2015-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:51:14  

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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