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1673 van Houten (1937 TH)
Classification: Main-belt Asteroid          SPK-ID: 2001673
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778656320870414 4.7737e-08  
a 3.107635687001924 1.8979e-08 au
q 2.55489410123708 1.5192e-07 au
i 3.577997538033347 6.0067e-06 deg
node 208.0693450158177 9.1742e-05 deg
peri 209.4115836213441 9.3613e-05 deg
M 93.40199989799002 1.683e-05 deg
tp 2456881.344748383708
(2014-Aug-11.84474838)
9.3013e-05 JED
period 2000.983820324891
5.48
1.833e-05
5.018e-08
d
yr
n .1799114997049543 1.6481e-09 deg/d
Q 3.660377272766768 2.2354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      28557 days (78.18 yr)  
   first obs. used      1937-10-11  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51333  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:40:04  

Additional Information
 Earth MOID = 1.56663 au 
 Jupiter MOID = 1.70303 au 
 T_jup = 3.192 
[ 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 MPO267713  

1673 van Houten (1937 TH)          Discovered 1937-Oct-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 TH = 1948 TZ1 = 1950 BK = 1953 RJ1 = 1959 XG 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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