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 ]  
26116 (1991 RW17)
Classification: Main-belt Asteroid          SPK-ID: 2026116
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07660329112634476 4.9971e-08  
a 2.268728160732961 1.4413e-08 AU
q 2.094936116949797 1.164e-07 AU
i 3.207806974157182 6.946e-06 deg
node 195.6503570044894 9.2693e-05 deg
peri 122.2139857633324 0.00010642 deg
M 315.6427489924587 5.4368e-05 deg
tp 2457154.292176131491
(2015-May-11.79217613)
0.00018919 JED
period 1248.165342751382
3.42
1.1894e-05
3.256e-08
d
yr
n .2884233263570973 2.7484e-09 deg/d
Q 2.442520204516124 1.5517e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      8690 days (23.79 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:38:10  

Additional Information
 Earth MOID = 1.0847 AU 
 T_jup = 3.608 
[ 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 14.5 mag n/a MPO328989  

26116 (1991 RW17)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RW17 = 1998 SC22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-04 11:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin