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5525 (1991 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2005525
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15145175873192 6.1617e-08  
a 2.220655134516842 9.4937e-09 AU
q 1.884333008857198 1.3726e-07 AU
i 7.620210965072843 6.9394e-06 deg
node 342.3277911738947 3.2708e-05 deg
peri 343.1177325669112 3.6547e-05 deg
M 39.94221698656398 1.6094e-05 deg
tp 2456866.393517897644
(2014-Jul-27.89351790)
5.4006e-05 JED
period 1208.704403490881
3.31
7.7512e-06
2.122e-08
d
yr
n .297839570171398 1.91e-09 deg/d
Q 2.556977260176486 1.0932e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      23570 days (64.53 yr)  
   first obs. used      1950-04-17  
   last obs. used      2014-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48129  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:59:14  

Additional Information
 Earth MOID = .874983 AU 
 T_jup = 3.623 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO267730  

5525 (1991 TS4)          Discovered 1991-Oct-15 by Kawasato, N. at Uenohara
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 TS4 = 1980 FO7 = 1981 SX = 1983 CH1 = 1983 DW = 1983 EV3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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