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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816958461737422 3.5136e-08  
a 3.100753280751755 1.2555e-08 au
q 2.537359289629558 1.1205e-07 au
i 3.589967747355215 4.3675e-06 deg
node 208.0268576263776 5.5877e-05 deg
peri 209.1719661299442 5.6962e-05 deg
M 22.3563464051559 1.0402e-05 deg
tp 2458876.649554196097
(2020-Jan-28.14955420)
5.7513e-05 TDB
period 1994.340205746791
5.46
1.2113e-05
3.316e-08
d
yr
n .1805108270708488 1.0964e-09 deg/d
Q 3.664147271873952 1.4837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      30067 days (82.32 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:01:35  

Additional Information
 Earth MOID = 1.55009 au 
 Jupiter MOID = 1.69645 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 12.2   n/a MPO502169  
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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