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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765319250410228 4.8725e-08  
a 3.103839329291648 1.8584e-08 AU
q 2.555912597473756 1.5477e-07 AU
i 3.573226532997468 6.164e-06 deg
node 208.2182016019294 9.2704e-05 deg
peri 209.0426764372585 9.4637e-05 deg
M 21.70560265192516 1.7316e-05 deg
tp 2456880.075009057529
(2014-Aug-10.57500906)
9.5891e-05 JED
period 1997.318270057082
5.47
1.7938e-05
4.911e-08
d
yr
n .1802416797547801 1.6187e-09 deg/d
Q 3.65176606110954 2.1864e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1381  
   data-arc span      28246 days (77.33 yr)  
   first obs. used      1937-10-11  
   last obs. used      2015-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51893  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:37:22  

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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