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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577498734218408 8.7208e-08  
a 2.595311560818082 2.0855e-08 au
q 2.185901490608789 2.3847e-07 au
i 11.65883359484044 6.6344e-06 deg
node 226.7457076466191 2.3362e-05 deg
peri 189.4579808639181 2.8527e-05 deg
M 23.80377496007775 2.1396e-05 deg
tp 2457499.522174570535
(2016-Apr-21.02217457)
8.996e-05 JED
period 1527.153454255675
4.18
1.8408e-05
5.04e-08
d
yr
n .2357326953599838 2.8414e-09 deg/d
Q 3.004721631027374 2.4145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1236  
   data-arc span      12163 days (33.30 yr)  
   first obs. used      1982-10-23  
   last obs. used      2016-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48236  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:47:37  

Additional Information
 Earth MOID = 1.19653 au 
 Jupiter MOID = 2.36564 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 12.2 mag n/a MPO347564  
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 LCDB (Rev. 2016-February); Warner et al., 2009 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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