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 ]  
17481 (1991 PE11)
Classification: Main-belt Asteroid          SPK-ID: 2017481
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710030016222114 7.2297e-08  
a 2.732375733591791 1.9299e-08 au
q 2.265131281587903 1.9596e-07 au
i 4.779456178908711 6.5848e-06 deg
node 340.6702609791373 5.618e-05 deg
peri 9.790435054868922 5.7995e-05 deg
M 180.5309780818868 1.7448e-05 deg
tp 2458422.924522980733
(2018-Oct-31.42452298)
8.4752e-05 JED
period 1649.715505822246
4.52
1.7478e-05
4.785e-08
d
yr
n .2182194437340697 2.3119e-09 deg/d
Q 3.19962018559568 2.2599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      9005 days (24.65 yr)  
   first obs. used      1991-08-05  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52761  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:27:41  

Additional Information
 Earth MOID = 1.25831 au 
 Jupiter MOID = 2.21687 au 
 T_jup = 3.327 
[ 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 14.0 mag n/a MPO332981  

17481 (1991 PE11)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PE11 = 1999 JS105 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-05 06:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin