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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1514517631750599 6.145e-08  
a 2.22065513344909 9.3731e-09 AU
q 1.884332998084478 1.3682e-07 AU
i 7.620211750935689 6.8592e-06 deg
node 342.3277873229542 3.2248e-05 deg
peri 343.1177357452775 3.6107e-05 deg
M 39.94221833081585 1.5915e-05 deg
tp 2456866.393513481025
(2014-Jul-27.89351348)
5.3423e-05 JED
period 1208.704402619113
3.31
7.6527e-06
2.095e-08
d
yr
n .2978395703862122 1.8857e-09 deg/d
Q 2.556977268813703 1.0793e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1245  
   data-arc span      23657 days (64.77 yr)  
   first obs. used      1950-04-17  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4651  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:13:36  

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  
rotation period rot_per 6.972 h n/a LCDB (Rev. 2015-Feb); 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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