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 ]  
60558 Echeclus (2000 EC98)
Classification: Centaur          SPK-ID: 2060558
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 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .455572351725509 1.5012e-07  
a 10.684630780916 2.3168e-06 AU
q 5.817008408735338 1.6717e-06 AU
i 4.343382799610826 7.5815e-06 deg
node 173.3383106595069 9.0432e-05 deg
peri 162.9472028444285 9.5013e-05 deg
M 356.1978580420553 8.7015e-06 deg
tp 2457135.229758942462
(2015-Apr-22.72975894)
0.00027669 JED
period 12756.68130116468
34.93
0.0041491
1.136e-05
d
yr
n .02822050590596256 9.1787e-09 deg/d
Q 15.55225315309667 3.3722e-06 AU
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      13060 days (35.76 yr)  
   first obs. used      1979-09-23  
   last obs. used      2015-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58408  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:35:55  

Additional Information
 Earth MOID = 4.8085 AU 
 T_jup = 3.031 
[ 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 9.6 mag n/a MPO309608  
rotation period rot_per 26.802 h n/a LCDB (Rev. 2015-July); Warner et al., 2009 [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]

60558 Echeclus           Discovered 2000 Mar. 3 by Spacewatch at Kitt Peak.
The centaur Echeclus was killed by Ampyx in the battle with the Lapiths.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 EC98 = 174P = 2002 GJ27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-04 13:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin