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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2377492417002802 3.4598e-08  
a 3.156974516565604 1.3136e-08 au
q 2.406406219185023 1.1205e-07 au
i 2.041632933500751 3.4267e-06 deg
node 238.3466161270549 0.00010198 deg
peri 129.4360181951366 0.00010217 deg
M 215.6930101982983 8.7566e-06 deg
tp 2459821.777468007801
(2022-Aug-30.27746801)
5.3465e-05 TDB
period 2048.825832269712
5.61
1.2788e-05
3.501e-08
d
yr
n .1757103968184489 1.0967e-09 deg/d
Q 3.907542813946185 1.626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2943  
   data-arc span      30199 days (82.68 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:31:22  

Additional Information
 Earth MOID = 1.40614 au 
 Jupiter MOID = 1.57159 au 
 T_jup = 3.160 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456463.5 (2013-Jun-20.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2375788104981897 3.4577e-08  
q 2.407138895845816 1.1197e-07 au
tp 2455725.392050266418
(2011-Jun-12.89205027)
3.914e-05 TDB
node 238.360164211892 0.00010196 deg
peri 129.890728256566 0.00010215 deg
i 2.041632534133029 3.4273e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2943  
   data-arc span      30199 days (82.68 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:31:22  

Additional Information
 Jupiter MOID = 1.57159 au 
 T_jup = 3.160 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.195576474614734E-15 -3.85693940962284E-15 -1.90962792866345E-13 1.285496275700552E-15 -3.809593264445774E-14 -2.04783376380221E-16
q -3.85693940962284E-15 1.253636369326606E-14 7.323453942580693E-13 -3.068500511805103E-15 1.453821492115E-13 7.443514049863716E-16
tp -1.90962792866345E-13 7.323453942580693E-13 1.531974987720572E-9 8.45931658529066E-13 2.646981387176168E-10 2.232581020630894E-13
node 1.285496275700552E-15 -3.068500511805103E-15 8.45931658529066E-13 1.039560264447237E-8 -1.038858062427914E-8 -8.858229046076273E-11
peri -3.809593264445774E-14 1.453821492115E-13 2.646981387176168E-10 -1.038858062427914E-8 1.04339473460692E-8 8.85640446615806E-11
i -2.04783376380221E-16 7.443514049863716E-16 2.232581020630894E-13 -8.858229046076273E-11 8.85640446615806E-11 1.174639851772814E-11

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

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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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