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JPL Small-Body Database Browser
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1673 van Houten (1937 TH)
Classification: Main-belt Asteroid          SPK-ID: 2001673
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813772182188798 3.5165e-08  
a 3.099509569925937 1.3249e-08 au
q 2.537329146289974 1.1218e-07 au
i 3.590491537771438 4.4444e-06 deg
node 208.0292502996369 6.1069e-05 deg
peri 209.2202584987974 6.213e-05 deg
M 310.0852386353514 1.1418e-05 deg
tp 2458876.853136270459
(2020-Jan-28.35313627)
6.3658e-05 TDB
period 1993.140432558003
5.46
1.278e-05
3.499e-08
d
yr
n .1806194857719959 1.1581e-09 deg/d
Q 3.6616899935619 1.5652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2318  
   data-arc span      29970 days (82.05 yr)  
   first obs. used      1937-10-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:07:27  

Additional Information
 Earth MOID = 1.54968 au 
 Jupiter MOID = 1.69782 au 
 T_jup = 3.194 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO452183  
diameter diameter 20.733 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1673 van Houten (1937 TH)          Discovered 1937-Oct-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1937 TH = 1948 TZ1 = 1950 BK = 1953 RJ1 = 1959 XG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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