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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1789713062813598 4.3578e-08  
a 3.105206039139727 1.7143e-08 au
q 2.549463258042123 1.3612e-07 au
i 3.585552037173582 5.856e-06 deg
node 208.0170198226567 8.1259e-05 deg
peri 209.3091359680361 8.3014e-05 deg
M 129.4756997804241 1.6336e-05 deg
tp 2456881.680539432870
(2014-Aug-12.18053943)
8.9007e-05 JED
period 1998.63763040493
5.47
1.6551e-05
4.531e-08
d
yr
n .1801226968427803 1.4917e-09 deg/d
Q 3.660948820237331 2.0212e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1628  
   data-arc span      28677 days (78.51 yr)  
   first obs. used      1937-10-11  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50759  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:35:25  

Additional Information
 Earth MOID = 1.5606 au 
 Jupiter MOID = 1.70166 au 
 T_jup = 3.193 
[ 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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