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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211690815780462 5.359e-08  
a 2.388165936462356 1.1747e-08 au
q 1.859977469639003 1.3069e-07 au
i 2.087377547479639 5.4716e-06 deg
node 309.062423382124 0.00013494 deg
peri 4.613400989481968 0.00013522 deg
M 294.4633222592917 1.1587e-05 deg
tp 2457845.901434578283
(2017-Apr-02.40143458)
4.3994e-05 JED
period 1348.016400796383
3.69
9.9464e-06
2.723e-08
d
yr
n .2670590652957328 1.9705e-09 deg/d
Q 2.916354403285711 1.4346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      12972 days (35.52 yr)  
   first obs. used      1980-10-10  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52066  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:04:45  

Additional Information
 Earth MOID = .845523 au 
 Jupiter MOID = 2.36197 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 2016-May-03 10:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin