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5618 Saitama (1990 EA)
Classification: Main-belt Asteroid          SPK-ID: 2005618
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1233736757331654 4.4549e-08  
a 2.245769734753065 1.0938e-08 AU
q 1.968700867726284 9.888e-08 AU
i 7.070471830636067 4.6979e-06 deg
node 142.16472027079 4.5805e-05 deg
peri 342.8621820726582 5.2673e-05 deg
M 160.7838697956674 2.7449e-05 deg
tp 2456451.482433579367
(2013-Jun-07.98243358)
9.1862e-05 JED
period 1229.267115927782
3.37
8.9805e-06
2.459e-08
d
yr
n .2928574232039813 2.1395e-09 deg/d
Q 2.522838601779847 1.2287e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1135  
   data-arc span      22306 days (61.07 yr)  
   first obs. used      1954-07-29  
   last obs. used      2015-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52373  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:16:27  

Additional Information
 Earth MOID = .985214 AU 
 T_jup = 3.611 
[ 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 14.2 mag n/a MPO259379  

5618 Saitama           Discovered 1990 Mar. 4 by A. Sugie at Dynic Astronomical Observatory.
Named for the Japanese prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19960828/MPCPages.arcLast Updated: 2003-09-26

[ show close-approach data ]
Alternate Designations
 1990 EA = 1975 XK 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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