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 ]  
15328 (1993 RJ9)
Classification: Main-belt Asteroid          SPK-ID: 2015328
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857199721502701 4.6413e-08  
a 2.422948827020295 1.8231e-08 AU
q 1.972958838344556 1.1092e-07 AU
i 1.206031507135664 5.0326e-06 deg
node 254.531098113541 0.00029397 deg
peri 22.14107327866382 0.00029466 deg
M 283.571026825945 2.3211e-05 deg
tp 2457292.962584660796
(2015-Sep-27.46258466)
9.0051e-05 JED
period 1377.573531416063
3.77
1.5548e-05
4.257e-08
d
yr
n .2613290628703802 2.9496e-09 deg/d
Q 2.872938815696034 2.1617e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8360 days (22.89 yr)  
   first obs. used      1992-03-01  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:42:51  

Additional Information
 Earth MOID = .958031 AU 
 T_jup = 3.488 
[ 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 14.9 mag n/a MPO253470  

15328 (1993 RJ9)          Discovered 1993-Sep-14 by Debehogne, H., Elst, E. W. at La Silla (809)
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RJ9 = 1992 EL15 = 1998 XE21 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-03 12:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin