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5690 (1992 EU)
Classification: Main-belt Asteroid          SPK-ID: 2005690
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3795330441236071 6.6943e-08  
a 2.800329847179904 3.0762e-08 AU
q 1.737512135729519 1.9517e-07 AU
i 29.00237468943493 1.7942e-05 deg
node .8220257854367625 1.6885e-05 deg
peri 82.13503161517316 2.9687e-05 deg
M 356.0499715453508 2.3324e-05 deg
tp 2457019.280620381573
(2014-Dec-27.78062038)
0.00011108 JED
period 1711.639147664491
4.69
2.8204e-05
7.722e-08
d
yr
n .2103247057016751 3.4656e-09 deg/d
Q 3.863147558630288 4.2437e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      14651 days (40.11 yr)  
   first obs. used      1974-06-18  
   last obs. used      2014-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50889  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:06:36  

Additional Information
 Earth MOID = .966896 AU 
 T_jup = 3.045 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO302099  
rotation period rot_per 5. h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Szekely, P.; Kiss, L.L.; Szabo, Gy.M.; Sarneczky, K.; et al. (2005) Planet. Space Sci. 53, 925-936.]
SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5690 (1992 EU)          Discovered 1992-Mar-07 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1992 EU = 1987 DR 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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