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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1763630942961509 5.1099e-08  
a 3.103168345702907 2.0506e-08 AU
q 2.555883974132874 1.6413e-07 AU
i 3.573494901398401 6.5545e-06 deg
node 208.2224325159407 9.4117e-05 deg
peri 208.9958846924847 9.6094e-05 deg
M 345.6824557933203 1.8331e-05 deg
tp 2456879.909500385499
(2014-Aug-10.40950039)
0.00010188 JED
period 1996.670638910447
5.47
1.9792e-05
5.419e-08
d
yr
n .1803001421388389 1.7872e-09 deg/d
Q 3.650452717272939 2.4123e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      27847 days (76.24 yr)  
   first obs. used      1937-10-11  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53982  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:18:31  

Additional Information
 Earth MOID = 1.56748 AU 
 T_jup = 3.194 
[ 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 (024)
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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