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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 ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 172 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5852959962164594 5.4395e-08  
a 1.27120692583955 2.8684e-09 au
q .5271746017830278 6.9352e-08 au
i 5.054509445004214 4.1628e-06 deg
node 97.08062099353394 5.1337e-05 deg
peri 258.8415579543936 5.1156e-05 deg
M 161.7528453150984 1.4406e-05 deg
tp 2457165.281091428750
(2015-May-22.78109143)
2.0506e-05 JED
period 523.5073727494163
1.43
1.7719e-06
4.851e-09
d
yr
n .6876693982537639 2.3275e-09 deg/d
Q 2.015239249896072 4.5473e-09 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      11719 days (32.08 yr)  
   first obs. used      1984-01-10  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58139  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-11 06:27:21  

Additional Information
 Earth MOID = .00559287 au 
 Jupiter MOID = 3.43052 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 LCDB (Rev. 2015-December); 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:
[Polishook, D. (2012) Minor Planet Bul. 39, 187-192.]

5693 (1993 EA)          Discovered 1993-Mar-03 by Spacewatch at Kitt Peak
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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