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 ]  
9188 (1991 RM15)
Classification: Main-belt Asteroid          SPK-ID: 2009188
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219423908435764 6.3507e-08  
a 2.388179790044814 1.2697e-08 AU
q 1.858141457677957 1.5364e-07 AU
i 2.092840603215401 6.4485e-06 deg
node 309.1423261833123 0.0001534 deg
peri 4.145314631363298 0.0001537 deg
M 134.837463792228 1.192e-05 deg
tp 2456495.598071587405
(2013-Jul-22.09807159)
4.4397e-05 JED
period 1348.028130435744
3.69
1.075e-05
2.943e-08
d
yr
n .2670567415263298 2.1297e-09 deg/d
Q 2.91821812241167 1.5515e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      12118 days (33.18 yr)  
   first obs. used      1980-10-10  
   last obs. used      2013-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53994  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:28:20  

Additional Information
 Earth MOID = .845057 AU 
 T_jup = 3.499 
[ 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 14.3 mag n/a MPO267744  

9188 (1991 RM15)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675)
Reference: 19980910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RM15 = 1980 TP7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-02 10:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin