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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08532800742972388 6.3576e-08  
a 5.231589448234854 1.8136e-07 au
q 4.785188344926605 4.7006e-07 au
i 22.73391156108267 4.8598e-06 deg
node 190.95231053693 1.1949e-05 deg
peri 226.0879097426235 3.9727e-05 deg
M 300.718197328556 4.2571e-05 deg
tp 2460116.227024949046
(2023-Jun-20.72702495)
0.00053037 TDB
period 4370.678982514573
11.97
0.00022727
6.222e-07
d
yr
n .08236706503502619 4.283e-09 deg/d
Q 5.677990551543102 1.9683e-07 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      22233 days (60.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51982  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:53:38  

Additional Information
 Earth MOID = 3.83084 au 
 Jupiter MOID = .0649384 au 
 T_jup = 2.837 
[ 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 12.21   n/a E2021B10  
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 ]
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