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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765319178458805 5.1115e-08  
a 3.103839332911703 2.0103e-08 AU
q 2.555912622787322 1.64e-07 AU
i 3.573228065253693 6.5514e-06 deg
node 208.2181918902663 9.4083e-05 deg
peri 209.0426877858862 9.6056e-05 deg
M 21.70559970896193 1.8389e-05 deg
tp 2456880.075025174722
(2014-Aug-10.57502517)
0.0001017 JED
period 1997.318273551336
5.47
1.9404e-05
5.313e-08
d
yr
n .1802416794394522 1.7511e-09 deg/d
Q 3.651766043036084 2.3651e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      28113 days (76.97 yr)  
   first obs. used      1937-10-11  
   last obs. used      2014-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53816  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:51:37  

Additional Information
 Earth MOID = 1.56824 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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