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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219423862798978 6.1151e-08  
a 2.388179791288925 1.2098e-08 AU
q 1.858141469544833 1.4723e-07 AU
i 2.092838367107847 6.2013e-06 deg
node 309.1422411833965 0.00013772 deg
peri 4.145397413372846 0.00013796 deg
M 134.8374650152147 1.1242e-05 deg
tp 2456495.598066613364
(2013-Jul-22.09806661)
4.139e-05 JED
period 1348.028131489118
3.69
1.0243e-05
2.804e-08
d
yr
n .2670567413176468 2.0293e-09 deg/d
Q 2.918218113033017 1.4783e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      12648 days (34.63 yr)  
   first obs. used      1980-10-10  
   last obs. used      2015-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51478  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:04:29  

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 14.4 mag n/a MPO337335  

9188 (1991 RM15)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar
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 2015-Sep-05 10:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin