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5436 Eumelos (1990 DK)
Classification: Jupiter Trojan          SPK-ID: 2005436
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07718351947862459 5.2781e-08  
a 5.202232621952855 8.297e-08 au
q 4.800705999044021 2.9215e-07 au
i 7.432252231216215 4.6701e-06 deg
node 253.9705481518645 5.0625e-05 deg
peri 220.841299210997 6.3546e-05 deg
M 241.1014182052195 4.1915e-05 deg
tp 2460431.887606885114
(2024-May-01.38760689)
0.0005241 TDB
period 4333.941841022549
11.87
0.00010368
2.839e-07
d
yr
n .08306525865032414 1.9872e-09 deg/d
Q 5.603759244861689 8.9374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1555  
   data-arc span      12300 days (33.68 yr)  
   first obs. used      1986-12-01  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52908  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:28:37  

Additional Information
 Earth MOID = 3.82153 au 
 Jupiter MOID = .172368 au 
 T_jup = 2.977 
[ 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 10.4   n/a MPO263396  
diameter diameter 37.696 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 38.41 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Wasserman, L.H.; et al. (2013) Minor Planet Bull. 40, 198-203.]
geometric albedo albedo 0.086   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

5436 Eumelos (1990 DK)          Discovered 1990-Feb-20 by Shoemaker, C. S. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 DK = 1986 XF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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