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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813772180422672 3.5164e-08  
a 3.09950956768154 1.2641e-08 au
q 2.537329145000073 1.1212e-07 au
i 3.590490834427131 4.3988e-06 deg
node 208.0292739112662 5.6798e-05 deg
peri 209.2202332486432 5.7881e-05 deg
M 310.0852410762632 1.0549e-05 deg
tp 2458876.853122456181
(2020-Jan-28.35312246)
5.8661e-05 TDB
period 1993.140430393113
5.46
1.2193e-05
3.338e-08
d
yr
n .1806194859681794 1.105e-09 deg/d
Q 3.661689990363008 1.4934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2386  
   data-arc span      30005 days (82.15 yr)  
   first obs. used      1937-10-11  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48014  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:04:16  

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 12.2   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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1925-Feb-20 09:35 00:02 Jupiter 1.80207190460477 1.8020713067743 1.80207250243493 2.14158590294984 1.90953819231337 2424201.899211519 1.79194178499286 50.5398781336631 10.5676704335908 -84.2887850507941 1970318.9493798 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
1935-Feb-12 04:26 00:02 Jupiter 1.78875703078993 1.78875646757489 1.78875759400506 1.96043813082965 1.70184199132243 2427845.684765769 1.51950118349193 78.1671348555511 26.2879496570086 86.8412461892347 2206834.18637897 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
1996-Jan-06 10:30 < 00:01 Jupiter 1.7536651370597 1.75366479211033 1.75366548200908 1.93099354906753 1.66214726039223 2450088.937587112 0.437979237342402 54.9545739491777 20.4513787294984 -89.6320202290074 3100803.58724487 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2005-Dec-30 01:48 < 00:01 Jupiter 1.84649235806738 1.84649195896259 1.84649275717195 2.1112610947768 1.88148449558699 2453734.574959876 0.256198594426695 39.4310647445405 17.9472828754278 85.1822635422008 2551154.65658189 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2066-Nov-20 09:23 00:01 Jupiter 1.71951405491117 1.71951371968674 1.71951439013569 1.80300563440586 1.50520466186186 2475974.890761091 1.01436215269256 65.3352297878137 31.2286071431021 78.4931928690526 2995417.73458077 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2076-Nov-16 12:33 00:01 Jupiter 1.91857509462166 1.9185744689905 1.91857572025304 2.32831579367436 2.13027792279666 2479624.022867915 1.20796986813651 67.9206383806395 13.0604982706144 79.572938298654 2587404.45266487 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2127-Oct-27 07:01 00:02 Jupiter 1.92127963845744 1.92127877650676 1.92128050040845 2.87455226511503 2.71685907925372 2498229.792296312 2.15728322771696 80.7144016747609 16.2021626052406 81.5523004201726 2202942.82409269 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2137-Oct-06 08:03 00:02 Jupiter 1.71126799301591 1.71126766901912 1.71126831701251 1.76656803365422 1.45973527114635 2501861.835075441 2.36731781973992 98.5286787791564 37.817048315307 84.2255828583225 2650503.01330353 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2147-Oct-05 21:22 00:03 Jupiter 1.99860020328646 1.99859900954519 1.99860139702966 2.60791272068307 2.43999856516625 2505513.390242757 2.52650505610572 128.495708981145 12.6570588691699 74.8514098870441 2683547.447225 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04
2198-Sep-10 20:07 00:04 Jupiter 1.84622177653678 1.84622054096555 1.846223012108 2.42830248014832 2.23138498971855 2524116.337895911 3.59872294519683 98.4653344568507 9.39510101982159 -89.5819974220083 1655610.76401337 T 35 CATAB v2.0f-lin.ifort 2019-Dec-13 21:04:33 2019-Dec-13 21:04

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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