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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818379173416269 2.8831e-08  
a 3.101070477674249 1.1115e-08 au
q 2.53717828048436 8.9827e-08 au
i 3.589893294898764 3.6925e-06 deg
node 208.0174166281128 5.4522e-05 deg
peri 209.1696296157315 5.5627e-05 deg
M 58.45334240777201 1.01e-05 deg
tp 2458876.628501738439
(2020-Jan-28.12850174)
5.5815e-05 TDB
period 1994.646235296537
5.46
1.0724e-05
2.936e-08
d
yr
n .1804831321111335 9.7031e-10 deg/d
Q 3.664962674864139 1.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3046  
   data-arc span      30476 days (83.44 yr)  
   first obs. used      1937-10-11  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43763  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:40:10  

Additional Information
 Earth MOID = 1.54917 au 
 Jupiter MOID = 1.69651 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 12.24   n/a MPCxxxxx  
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 09:32 00:02 Jupiter 1.80207103107558 1.80207046040955 1.8020716017413 2.14158201056472 1.90953370896646 2424201.897394781 1.60753890974665 42.944428301091 9.8583197250949 -82.907018036652 2040452.83861998 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
1935-Feb-12 04:24 00:01 Jupiter 1.78875742787455 1.78875696782655 1.78875788792275 1.96043820744058 1.70184214287846 2427845.683302863 1.37605882273036 73.9157254426218 21.6506584738701 85.8590476835515 2656376.4398423 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
1996-Jan-06 10:30 < 00:01 Jupiter 1.75366492801626 1.75366460912262 1.75366524690991 1.93099234095853 1.66214582384183 2450088.937438644 0.415550506718551 47.3557739842873 18.4844448161483 -86.9823517547625 3423848.43628161 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2005-Dec-30 01:48 < 00:01 Jupiter 1.84649231490918 1.84649194142998 1.84649268838826 2.11126026447168 1.88148355952901 2453734.574883092 0.254264245487015 37.5801028058559 14.8687621403485 84.0395159059406 2882226.4716937 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2066-Nov-20 09:24 < 00:01 Jupiter 1.71951409249256 1.71951382114009 1.71951436384504 1.80300538902394 1.50520437689218 2475974.891948025 0.8740579281239 54.88271100051 28.339432504077 85.0363316109164 3458581.33352588 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2076-Nov-16 12:35 00:01 Jupiter 1.91857395272966 1.91857334539362 1.9185745600658 2.32831209243088 2.13027375527066 2479624.024513710 1.03267605093834 58.2611334993003 11.2148800420617 78.9025588349178 2696861.46339597 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2127-Oct-27 07:07 00:02 Jupiter 1.92128177844845 1.92128100304116 1.92128255385595 2.87456744146848 2.71687531811197 2498229.796549337 1.89543880900101 71.3160739950205 14.5164375399139 80.7785394608505 2533710.84441161 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2137-Oct-06 08:09 00:02 Jupiter 1.7112675936049 1.71126729586203 1.71126789134767 1.76656644067608 1.45973326605918 2501861.839916623 2.06730012724291 83.389679201994 33.6973680988162 89.3369681536712 2976003.94220036 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2147-Oct-05 21:30 00:02 Jupiter 1.99859658130074 1.99859548748177 1.99859767512107 2.6078999515707 2.43998460349523 2505513.395561764 2.19510463361503 111.050303484014 11.6061018119172 74.3121988688169 2779012.07233752 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40
2198-Sep-10 20:19 00:03 Jupiter 1.84622570372796 1.84622462201249 1.84622678544353 2.42832701858739 2.23141213211069 2524116.346315276 3.16803994710724 86.9895466580094 8.45705619356159 89.9551635029422 1970916.39862867 T 45 CATAB v2.0g-lin.ifort 2021-May-03 19:40:26 2021-May-03 19:40

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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