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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232839505925421 3.9806e-08  
a 2.245335664701132 1.0413e-08 au
q 1.968521813550445 8.9378e-08 au
i 7.070563916267353 4.4404e-06 deg
node 142.1625089603602 4.1882e-05 deg
peri 343.0066311659008 4.9109e-05 deg
M 336.3525939471677 2.7922e-05 deg
tp 2457681.223753382327
(2016-Oct-19.72375338)
9.5642e-05 JED
period 1228.910737723686
3.36
8.5489e-06
2.341e-08
d
yr
n .2929423504483561 2.0378e-09 deg/d
Q 2.522149515851819 1.1697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1237  
   data-arc span      22414 days (61.37 yr)  
   first obs. used      1954-07-29  
   last obs. used      2015-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52784  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:57:01  

Additional Information
 Earth MOID = .983429 au 
 Jupiter MOID = 2.53036 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 14.3 mag n/a MPO347569  

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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