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JPL Small-Body Database Browser
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2759 Idomeneus (1980 GC)
Classification: Jupiter Trojan          SPK-ID: 2002759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06558499502330029 5.2836e-08  
a 5.187292470302518 8.1434e-08 au
q 4.847083919453325 2.5437e-07 au
i 21.94766466317186 4.6537e-06 deg
node 171.2265334065409 1.0074e-05 deg
peri 9.212888459682373 3.4424e-05 deg
M 150.593887356595 3.4284e-05 deg
tp 2456795.345522732731
(2014-May-17.84552273)
0.00039022 TDB
period 4315.285455626811
11.81
0.00010162
2.782e-07
d
yr
n .08342437683481327 1.9645e-09 deg/d
Q 5.527501021151711 8.6775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      23607 days (64.63 yr)  
   first obs. used      1955-04-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48703  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:20:21  

Additional Information
 Earth MOID = 3.85335 au 
 Jupiter MOID = .556356 au 
 T_jup = 2.851 
[ 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 10.0   n/a MPO452200  
diameter diameter 53.676 km 0.667 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 479. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Stephens, R.D.; Warner, B.D. (2018) Minor Planet Bull. 45, 124-128.]
geometric albedo albedo 0.067   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

2759 Idomeneus (1980 GC)          Discovered 1980-Apr-14 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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