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5105 Westerhout (1986 TM1)
Classification: Main-belt Asteroid          SPK-ID: 2005105
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582211265575884 9.4503e-08  
a 2.595627335736214 2.3834e-08 AU
q 2.184944254552358 2.5349e-07 AU
i 11.65897353636208 9.4815e-06 deg
node 226.7634348088522 2.6737e-05 deg
peri 189.44337877 3.2436e-05 deg
M 195.2904460649593 2.2951e-05 deg
tp 2457499.340757896909
(2016-Apr-20.84075790)
0.00010403 JED
period 1527.432178840751
4.18
2.1038e-05
5.76e-08
d
yr
n .2356896790489403 3.2463e-09 deg/d
Q 3.006310416920069 2.7605e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      11577 days (31.70 yr)  
   first obs. used      1982-10-23  
   last obs. used      2014-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47097  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:11:04  

Additional Information
 Earth MOID = 1.19605 AU 
 T_jup = 3.371 
[ 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 12.1 mag n/a MPO267728  
diameter diameter 13.58 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 13.0881 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0874   0.021 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

5105 Westerhout (1986 TM1)          Discovered 1986-Oct-04 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1986 TM1 = 1982 UL10 = 1990 SQ10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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