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 ]  
15236 (1988 RJ4)
Classification: Main-belt Asteroid          SPK-ID: 2015236
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .09546452485717122 5.7953e-08  
a 2.65533242044514 1.7053e-08 AU
q 2.401842372589502 1.5631e-07 AU
i 2.157040059208009 5.6057e-06 deg
node 204.0897469778247 0.00012986 deg
peri 151.282348780059 0.00013228 deg
M 13.12340267778262 2.3815e-05 deg
tp 2456942.886968446149
(2014-Oct-12.38696845)
0.00010457 JED
period 1580.435491360744
4.33
1.5225e-05
4.168e-08
d
yr
n .2277853173811242 2.1943e-09 deg/d
Q 2.908822468300778 1.8681e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      9610 days (26.31 yr)  
   first obs. used      1988-09-01  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50025  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:42:36  

Additional Information
 Earth MOID = 1.39761 AU 
 T_jup = 3.381 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO302159  

15236 (1988 RJ4)          Discovered 1988-Sep-01 by Debehogne, H. at La Silla (809)
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RJ4 = 1991 GZ14 = 1999 BB6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Feb-28 12:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin