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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08663502639986774 3.4831e-08  
a 5.263452505152676 7.5344e-08 au
q 4.807453158414324 2.2331e-07 au
i 4.994795369123313 3.3543e-06 deg
node 34.77527332547579 1.0213e-05 deg
peri 334.741056057898 1.6224e-05 deg
M 356.9128526899497 1.3574e-05 deg
tp 2459238.323293436293
(2021-Jan-23.82329344)
0.00016605 TDB
period 4410.669226161213
12.08
9.4705e-05
2.593e-07
d
yr
n .08162026702540168 1.7525e-09 deg/d
Q 5.719451851891027 8.1871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2241  
   data-arc span      24474 days (67.01 yr)  
   first obs. used      1954-02-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 17:11:52  

Additional Information
 Earth MOID = 3.80645 au 
 Jupiter MOID = .140825 au 
 T_jup = 2.985 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457294.5 (2015-Sep-29.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08502216834832195 3.4745e-08  
q 4.823479551625943 2.22e-07 au
tp 2459231.498982747514
(2021-Jan-16.99898275)
0.00016818 TDB
node 34.83327845638398 1.0207e-05 deg
peri 333.6529097690907 1.6356e-05 deg
i 4.996810357477602 3.3546e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2241  
   data-arc span      24474 days (67.01 yr)  
   first obs. used      1954-02-10  
   last obs. used      2021-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46209  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 17:11:52  

Additional Information
 Jupiter MOID = .140825 au 
 T_jup = 2.985 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.207242113212099E-15 -7.405791825708091E-15 3.654176730996224E-13 7.590256733369455E-15 9.839679153701811E-14 5.44429427926701E-15
q -7.405791825708091E-15 4.928488813015839E-14 -5.508455749113778E-12 -4.946406453618328E-14 -9.968868384125038E-13 -3.078845744917623E-14
tp 3.654176730996224E-13 -5.508455749113778E-12 2.828438894695434E-8 6.892314757100671E-11 2.095638112611706E-9 1.170192346738795E-11
node 7.590256733369455E-15 -4.946406453618328E-14 6.892314757100671E-11 1.04180634004913E-10 -9.697132570668409E-11 -2.255954450370725E-11
peri 9.839679153701811E-14 -9.968868384125038E-13 2.095638112611706E-9 -9.697132570668409E-11 2.675304300760492E-10 2.366450930306209E-11
i 5.44429427926701E-15 -3.078845744917623E-14 1.170192346738795E-11 -2.255954450370725E-11 2.366450930306209E-11 1.125302967081839E-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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