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1438 Wendeline (1937 TC)
Classification: Main-belt Asteroid          SPK-ID: 2001438
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237749240625223 3.4529e-08  
a 3.156974516246449 1.3124e-08 au
q 2.406406222335675 1.1186e-07 au
i 2.041632900884948 3.425e-06 deg
node 238.3466100906196 0.00010055 deg
peri 129.4360246836418 0.00010074 deg
M 215.69300997107 8.7438e-06 deg
tp 2459821.777469176458
(2022-Aug-30.27746918)
5.3408e-05 TDB
period 2048.825831959023
5.61
1.2776e-05
3.498e-08
d
yr
n .1757103968450941 1.0957e-09 deg/d
Q 3.907542810157223 1.6245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3021  
   data-arc span      30247 days (82.81 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42709  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:18  

Additional Information
 Earth MOID = 1.40614 au 
 Jupiter MOID = 1.57159 au 
 T_jup = 3.160 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6   n/a MPO473783  
diameter diameter 37.511 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 41.98 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1438 Wendeline (1937 TC)          Discovered 1937-Oct-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 TC = 1931 TK2 = 1951 EP1 = 1960 VJ = 1965 OA = 1971 TN1 = 1972 XD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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