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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .379533056989009 6.306e-08  
a 2.800329830595936 2.3035e-08 AU
q 1.737512089412347 1.8028e-07 AU
i 29.0023712482615 1.4162e-05 deg
node .8220260280773973 1.6737e-05 deg
peri 82.13501942498738 2.5547e-05 deg
M 356.0499868386809 1.3896e-05 deg
tp 2457019.280547501790
(2014-Dec-27.78054750)
6.6099e-05 JED
period 1711.63913245962
4.69
2.1119e-05
5.782e-08
d
yr
n .2103247075700361 2.5951e-09 deg/d
Q 3.863147571779525 3.1778e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      14924 days (40.86 yr)  
   first obs. used      1974-06-18  
   last obs. used      2015-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48261  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:52:17  

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 LCDB (Rev. 2015-May); Warner et al., 2009 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
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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