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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580853582466814 9.3657e-08  
a 2.595884030340261 2.3686e-08 AU
q 2.185512773437082 2.5171e-07 AU
i 11.6577213731273 9.1559e-06 deg
node 226.7582442465129 2.6448e-05 deg
peri 189.4454934256187 3.2072e-05 deg
M 242.4191950539404 2.3273e-05 deg
tp 2457499.453743265343
(2016-Apr-20.95374327)
0.00010356 JED
period 1527.658767584776
4.18
2.0909e-05
5.725e-08
d
yr
n .2356547205690175 3.2254e-09 deg/d
Q 3.006255287243441 2.7431e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      971  
   data-arc span      11927 days (32.65 yr)  
   first obs. used      1982-10-23  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46297  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:50:37  

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 LCDB (Rev. 2015-May); 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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