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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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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1819553152595865 2.8465e-08  
a 3.100818333747074 1.1059e-08 au
q 2.53660795626742 8.8514e-08 au
i 3.590313907252451 3.6569e-06 deg
node 208.0080991613497 5.4186e-05 deg
peri 209.1446307123136 5.5295e-05 deg
M 93.85063493803509 1.0109e-05 deg
tp 2458876.566708910133
(2020-Jan-28.06670891)		 5.5754e-05 TDB
period 1994.402967182217
5.46		 1.0669e-05
2.921e-08		 d
yr
n .1805051466146906 9.6561e-10 deg/d
Q 3.665028711226729 1.3071e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3229  
   data-arc span      30579 days (83.72 yr)  
   first obs. used      1937-10-11  
   last obs. used      2021-07-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:56:58  

Additional Information
 Earth MOID = 1.54892 au 
 Jupiter MOID = 1.69755 au 
 T_jup = 3.193 
[ show covariance matrix ]

[ 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 12.25   n/a MPO636087  
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

[ show close-approach data ]
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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