Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024892578219203 5.749e-08  
a 2.571803836585351 1.7099e-08 AU
q 2.051041186451616 1.485e-07 AU
i 8.9063441470241 5.3477e-06 deg
node 112.83074654685 3.8874e-05 deg
peri 215.6473803644608 4.123e-05 deg
M 208.6440465687313 1.6768e-05 deg
tp 2457633.862278141764
(2016-Sep-02.36227814)
7.2716e-05 JED
period 1506.451612652128
4.12
1.5023e-05
4.113e-08
d
yr
n .2389721627807317 2.3832e-09 deg/d
Q 3.092566486719086 2.0561e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      11530 days (31.57 yr)  
   first obs. used      1983-09-02  
   last obs. used      2015-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50437  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:00:34  

Additional Information
 Earth MOID = 1.04714 AU 
 T_jup = 3.384 
[ 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
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Apr-19 15:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin