Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
22199 Klonios (4572 P-L)
Classification: Jupiter Trojan          SPK-ID: 2022199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08211483895394685 5.7196e-08  
a 5.308992527227518 1.0951e-07 au
q 4.873045460846523 3.5967e-07 au
i 9.066772079067851 7.1859e-06 deg
node 16.69104547964658 3.4482e-05 deg
peri 44.35907595051088 5.7063e-05 deg
M 277.7175543719172 4.8188e-05 deg
tp 2460021.724648854229
(2023-Mar-18.22464885)
0.00061599 TDB
period 4468.035323710015
12.23
0.00013825
3.785e-07
d
yr
n .08057232629510087 2.493e-09 deg/d
Q 5.744939593608513 1.185e-07 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      21861 days (59.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:50:48  

Additional Information
 Earth MOID = 3.89255 au 
 Jupiter MOID = .0632753 au 
 T_jup = 2.968 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7   n/a MPO337446  

22199 Klonios           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Klonios was one of the first heroes to join the Greek army against Troy and came from Boeotia, as did Arkesilaos and Prothoenor.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 4572 P-L = 1996 RP31 = 1997 TQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 03:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin