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 ]  
9509 Amfortas (3453 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2009509
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1496868262397103 5.1088e-08  
a 2.31660517167481 1.1789e-08 AU
q 1.969839895876308 1.2211e-07 AU
i 6.690765500805568 5.9879e-06 deg
node 187.4319471360737 4.0685e-05 deg
peri 72.71263364354159 4.6942e-05 deg
M 296.5174608459799 2.0006e-05 deg
tp 2457227.605811460277
(2015-Jul-24.10581146)
7.1398e-05 JED
period 1287.883144171974
3.53
9.8311e-06
2.692e-08
d
yr
n .2795284662502955 2.1338e-09 deg/d
Q 2.663370447473311 1.3554e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      13768 days (37.69 yr)  
   first obs. used      1977-10-07  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55591  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:02:23  

Additional Information
 Earth MOID = .968968 AU 
 T_jup = 3.557 
[ 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 14.7 mag n/a MPO324396  

9509 Amfortas           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Amfortas was the king of Monsalvat and of the knights of the Holy Grail in Wagner's opera Parsifal.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20001111/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 3453 T-3 = 1990 EQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-02 14:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin