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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580853558144593 9.4288e-08  
a 2.595884029858146 2.3796e-08 AU
q 2.185512779344949 2.5308e-07 AU
i 11.65771977228455 9.3101e-06 deg
node 226.7582432054106 2.6478e-05 deg
peri 189.4454943276863 3.2113e-05 deg
M 242.4191954067422 2.3358e-05 deg
tp 2457499.453741629229
(2016-Apr-20.95374163)
0.00010396 JED
period 1527.658767159195
4.18
2.1005e-05
5.751e-08
d
yr
n .2356547206346671 3.2403e-09 deg/d
Q 3.006255280371344 2.7557e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      11619 days (31.81 yr)  
   first obs. used      1982-10-23  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47053  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:47:13  

Additional Information
 Earth MOID = 1.19736 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. 2014-Mar-01) 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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