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5693 (1993 EA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2005693
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 166 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852713905328124 5.4607e-08  
a 1.271020879672075 2.8809e-09 AU
q .527128722030161 6.9615e-08 AU
i 5.055384317045687 4.313e-06 deg
node 97.09575045990303 5.1403e-05 deg
peri 258.8167477234351 5.1226e-05 deg
M 246.6693473525916 1.3961e-05 deg
tp 2457165.267800138798
(2015-May-22.76780014)
2.0597e-05 JED
period 523.3924508889156
1.43
1.7795e-06
4.872e-09
d
yr
n .6878203905856604 2.3386e-09 deg/d
Q 2.014913037313988 4.5671e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      11088 days (30.36 yr)  
   first obs. used      1984-01-10  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58319  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:32:27  

Additional Information
 Earth MOID = .00554383 AU 
 T_jup = 4.892 
[ 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 16.6 mag n/a MPO259380  
rotation period rot_per 2.497 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:
[Polishook, D. (2012) Minor Planet Bul. 39, 187-192.]

5693 (1993 EA)          Discovered 1993-Mar-03 by Spacewatch at Kitt Peak (691)
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ show close-approach data ]
Alternate Designations
 1993 EA = 1984 AJ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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