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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507113707421715 5.9432e-08  
a 2.22171247094889 8.32e-09 au
q 1.886875139057206 1.318e-07 au
i 7.618277281255756 6.0176e-06 deg
node 342.3289606555946 2.6138e-05 deg
peri 343.2221132705705 2.8713e-05 deg
M 218.4954278995364 1.2626e-05 deg
tp 2458075.942693615022
(2017-Nov-18.44269361)
4.3113e-05 JED
period 1209.567769866053
3.31
6.7945e-06
1.86e-08
d
yr
n .2976269779740131 1.6719e-09 deg/d
Q 2.556549802840574 9.5739e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      24099 days (65.98 yr)  
   first obs. used      1950-04-17  
   last obs. used      2016-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48225  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:52:25  

Additional Information
 Earth MOID = .876175 au 
 Jupiter MOID = 2.75979 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 13.2 mag n/a MPO332871  
rotation period rot_per 6.972 h n/a LCDB (Rev. 2016-February); 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:
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

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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