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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765319251627629 4.8691e-08  
a 3.10383932926237 1.8565e-08 AU
q 2.555912597071785 1.5464e-07 AU
i 3.573226541399503 6.1582e-06 deg
node 208.2182015587801 9.2699e-05 deg
peri 209.0426764582891 9.4631e-05 deg
M 21.70560269373834 1.7305e-05 deg
tp 2456880.075008827249
(2014-Aug-10.57500883)
9.5834e-05 JED
period 1997.318270028821
5.47
1.792e-05
4.906e-08
d
yr
n .1802416797573304 1.6171e-09 deg/d
Q 3.651766061452955 2.1843e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1406  
   data-arc span      28281 days (77.43 yr)  
   first obs. used      1937-10-11  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51445  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:06:36  

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
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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