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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1578824017560224 8.7315e-08  
a 2.595704577593143 2.1108e-08 au
q 2.185888504633636 2.3893e-07 au
i 11.65815793391583 6.6496e-06 deg
node 226.7454275915257 2.3538e-05 deg
peri 189.4584266947254 2.8712e-05 deg
M 336.662453848141 2.1283e-05 deg
tp 2457499.522528214767
(2016-Apr-21.02252821)
9.1103e-05 JED
period 1527.500360378564
4.18
1.8632e-05
5.101e-08
d
yr
n .2356791587995307 2.8748e-09 deg/d
Q 3.00552065055265 2.4441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      12105 days (33.14 yr)  
   first obs. used      1982-10-23  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47033  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:54:59  

Additional Information
 Earth MOID = 1.19703 au 
 Jupiter MOID = 2.36644 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. 2015-December); 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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