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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07686886490841416 5.5138e-08  
a 5.201900368794202 8.529e-08 au
q 4.80203619207833 2.9937e-07 au
i 7.432277336832611 4.9536e-06 deg
node 253.9727990540479 5.0974e-05 deg
peri 221.1502575519536 6.4059e-05 deg
M 207.4991752287317 4.2001e-05 deg
tp 2460436.239967967494
(2024-May-05.73996797)
0.00053111 TDB
period 4333.526651147708
11.86
0.00010658
2.918e-07
d
yr
n .08307321703090395 2.0431e-09 deg/d
Q 5.601764545510073 9.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1432  
   data-arc span      12019 days (32.91 yr)  
   first obs. used      1986-12-01  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:46:06  

Additional Information
 Earth MOID = 3.82315 au 
 Jupiter MOID = .170567 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-January); 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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