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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07915103852480655 7.8966e-08  
a 2.229864019119056 1.0279e-08 AU
q 2.053367966236684 1.7531e-07 AU
i 2.571527721102797 7.545e-06 deg
node 220.0569102090097 0.00012576 deg
peri 331.1968288477834 0.00012983 deg
M 240.2410078537265 3.1351e-05 deg
tp 2457205.096040514530
(2015-Jul-01.59604051)
0.00010665 JED
period 1216.230797995765
3.33
8.4094e-06
2.302e-08
d
yr
n .2959964511614462 2.0466e-09 deg/d
Q 2.406360072001429 1.1092e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      918  
   data-arc span      15270 days (41.81 yr)  
   first obs. used      1972-04-19  
   last obs. used      2014-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57862  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:28:01  

Additional Information
 Earth MOID = 1.0536 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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