Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
15328 (1993 RJ9)
Classification: Main-belt Asteroid          SPK-ID: 2015328
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861063106278004 3.2459e-08  
a 2.422899206495376 8.4319e-09 au
q 1.971982374151496 7.8762e-08 au
i 1.206814559005674 4.1502e-06 deg
node 254.50306306 0.00016378 deg
peri 22.03245978404033 0.00016414 deg
M 138.671318863247 1.2551e-05 deg
tp 2458669.877582787776
(2019-Jul-05.37758279)
4.7073e-05 TDB
period 1377.531213824989
3.77
7.1909e-06
1.969e-08
d
yr
n .2613370908673558 1.3642e-09 deg/d
Q 2.873816038839255 1.0001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1409  
   data-arc span      10573 days (28.95 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:55:28  

Additional Information
 Earth MOID = .953777 au 
 Jupiter MOID = 2.24762 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO435843  

15328 (1993 RJ9)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RJ9 = 1992 EL15 = 1998 XE21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 10:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin