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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 ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176481062834592 7.1355e-08  
a 3.104392893535586 2.0498e-08 AU
q 2.556526336228272 2.2084e-07 AU
i 3.57301366268512 8.6426e-06 deg
node 208.229616976265 0.00010699 deg
peri 208.8728853308794 0.00010937 deg
M 273.6927209415051 2.0914e-05 deg
tp 2456879.470065807202
(2014-Aug-09.97006581)		 0.00011686 JED
period 1997.852621141356
5.47		 1.9787e-05
5.417e-08		 d
yr
n .1801934718259323 1.7847e-09 deg/d
Q 3.652259450842901 2.4115e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1163  
   data-arc span      27576 days (75.50 yr)  
   first obs. used      1937-10-11  
   last obs. used      2013-04-11  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .56496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 12:46:28  

Additional Information
 Earth MOID = 1.56845 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 11.6 mag n/a PDS3 (MPC 17263)  

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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