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5012 Eurymedon (9507 P-L)
Classification: Jupiter Trojan          SPK-ID: 2005012
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08659299340475436 3.4624e-08  
a 5.263343505154725 7.48e-08 au
q 4.807574835725905 2.216e-07 au
i 4.994855132277877 3.3543e-06 deg
node 34.77498527496976 1.0212e-05 deg
peri 334.9222395873335 1.6208e-05 deg
M 12.75959505642797 1.3423e-05 deg
tp 2459240.176097017883
(2021-Jan-25.67609702)
0.00016551 TDB
period 4410.532217102865
12.08
9.4021e-05
2.574e-07
d
yr
n .081622802482661 1.74e-09 deg/d
Q 5.719112174583545 8.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2290  
   data-arc span      24652 days (67.49 yr)  
   first obs. used      1954-02-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:35:22  

Additional Information
 Earth MOID = 3.8073 au 
 Jupiter MOID = .139933 au 
 T_jup = 2.985 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08503656392805516 3.4503e-08  
q 4.823384389914535 2.2016e-07 au
tp 2459231.260844107813
(2021-Jan-16.76084411)
0.00016757 TDB
node 34.83328081008647 1.0205e-05 deg
peri 333.6376578690671 1.6345e-05 deg
i 4.996808532578239 3.3545e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2290  
   data-arc span      24652 days (67.49 yr)  
   first obs. used      1954-02-10  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:35:22  

Additional Information
 Jupiter MOID = .139933 au 
 T_jup = 2.985 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.190459366917063E-15 -7.288935699312491E-15 4.237046212478835E-13 7.496740463910792E-15 1.008520634636514E-13 5.400076826833794E-15
q -7.288935699312491E-15 4.847260530554668E-14 -5.912410348369779E-12 -4.880871301434881E-14 -1.013867053840759E-12 -3.047966144922697E-14
tp 4.237046212478835E-13 -5.912410348369779E-12 2.808022724498349E-8 6.912799148550498E-11 2.087098831662401E-9 1.186706985478316E-11
node 7.496740463910792E-15 -4.880871301434881E-14 6.912799148550498E-11 1.041481557649486E-10 -9.693507642808432E-11 -2.255721063636491E-11
peri 1.008520634636514E-13 -1.013867053840759E-12 2.087098831662401E-9 -9.693507642808432E-11 2.671464752059467E-10 2.366929701272011E-11
i 5.400076826833794E-15 -3.047966144922697E-14 1.186706985478316E-11 -2.255721063636491E-11 2.366929701272011E-11 1.125271373372318E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.62   n/a E2021B10  
diameter diameter 36.960 km 0.360 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 46. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Stephens, R.D.; Coley, D.R.; Warner, B.D.; French, L.M. (2016) Minor Planet Bull. 43, 323-331.]
geometric albedo albedo 0.082   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5012 Eurymedon (9507 P-L)          Discovered 1960-Oct-17 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 9507 P-L = 1984 SV6 = 1988 AW2 = 1991 GD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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