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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3795347725560348 6.7656e-08  
a 2.800510331941866 3.6894e-08 AU
q 1.737619280067484 1.9773e-07 AU
i 29.00160334944278 1.7371e-05 deg
node .8220152310670034 1.7759e-05 deg
peri 82.12052475927452 3.3591e-05 deg
M 313.9949757507324 3.003e-05 deg
tp 2457019.254481502713
(2014-Dec-27.75448150)
0.00014613 JED
period 1711.804626257326
4.69
3.3827e-05
9.261e-08
d
yr
n .2103043738040951 4.1559e-09 deg/d
Q 3.863401383816247 5.0897e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      14262 days (39.05 yr)  
   first obs. used      1974-06-18  
   last obs. used      2013-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55475  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:15:48  

Additional Information
 Earth MOID = .966373 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 13.0 mag n/a MPO265988  
rotation period rot_per 5. h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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

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