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 ]  
85030 Admetos (2804 P-L)
Classification: Jupiter Trojan          SPK-ID: 2085030
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 .08471006489609485 6.8542e-08  
a 5.243125167403953 1.9408e-07 au
q 4.798979694214816 4.9377e-07 au
i 22.68832219792572 5.6997e-06 deg
node 191.044954795756 1.4075e-05 deg
peri 224.4046947970097 4.5945e-05 deg
M 269.6368817056054 5.0175e-05 deg
tp 2460101.208889357692
(2023-Jun-05.70888936)
0.00063838 TDB
period 4385.143050041793
12.01
0.00024348
6.666e-07
d
yr
n .08209538340979983 4.5582e-09 deg/d
Q 5.68727064059309 2.1052e-07 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:54:20  

Additional Information
 Earth MOID = 3.84225 au 
 Jupiter MOID = .0613689 au 
 T_jup = 2.838 
[ 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 12.1   n/a MPO449528  
diameter diameter 20.898 km 0.477 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.070   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

85030 Admetos           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Admetos was the father of Eumelos, the best charioteer in the Greek army.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 2804 P-L = 1997 UE26 = 2002 CM42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-23 19:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin