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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511226344901717 6.0561e-08  
a 2.221021010769919 8.827e-09 au
q 1.885374464364345 1.3486e-07 au
i 7.620147732619834 6.5827e-06 deg
node 342.3279896676316 2.9159e-05 deg
peri 343.1498397222168 3.3053e-05 deg
M 159.0611839436232 1.4523e-05 deg
tp 2456866.318138362809
(2014-Jul-27.81813836)
4.8918e-05 JED
period 1209.003135909943
3.31
7.2074e-06
1.973e-08
d
yr
n .2977659770328468 1.7751e-09 deg/d
Q 2.556667557175493 1.0161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1428  
   data-arc span      23983 days (65.66 yr)  
   first obs. used      1950-04-17  
   last obs. used      2015-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47844  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:56:42  

Additional Information
 Earth MOID = .873335 au 
 Jupiter MOID = 2.75845 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. 2015-December); 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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