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18323 (1983 RZ2)
Classification: Main-belt Asteroid          SPK-ID: 2018323
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016657343996413 6.0323e-08  
a 2.573573471922831 1.8465e-08 AU
q 2.054571887676079 1.5431e-07 AU
i 8.907404243121443 5.741e-06 deg
node 112.8366722265852 3.926e-05 deg
peri 215.5774990958014 4.1733e-05 deg
M 160.9626120891592 1.669e-05 deg
tp 2456126.242487317926
(2012-Jul-17.74248732)
6.7994e-05 JED
period 1508.006744020121
4.13
1.6229e-05
4.443e-08
d
yr
n .2387257228308501 2.5692e-09 deg/d
Q 3.092575056169583 2.2189e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      11169 days (30.58 yr)  
   first obs. used      1983-09-02  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:03:07  

Additional Information
 Earth MOID = 1.04879 AU 
 T_jup = 3.383 
[ 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 13.4 mag n/a MPO250394  

18323 (1983 RZ2)          Discovered 1983-Sep-02 by Debehogne, H. at La Silla (809)
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1983 RZ2 = 1987 OK = 1999 GX3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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