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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 168 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852713946299506 5.4513e-08  
a 1.271020879401863 2.8735e-09 AU
q .5271287167105483 6.949e-08 AU
i 5.055385509014803 4.2258e-06 deg
node 97.09575375800063 5.1333e-05 deg
peri 258.8167432445211 5.1156e-05 deg
M 246.6693488039056 1.3915e-05 deg
tp 2457165.267797976236
(2015-May-22.76779798)
2.0527e-05 JED
period 523.3924507220102
1.43
1.7749e-06
4.859e-09
d
yr
n .6878203908050006 2.3325e-09 deg/d
Q 2.014913042093177 4.5553e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      848  
   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      .58403  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:04:56  

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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