Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813772180508106 3.5164e-08  
a 3.099509567681666 1.2693e-08 au
q 2.537329144973695 1.1213e-07 au
i 3.59049086339498 4.4047e-06 deg
node 208.0292731147917 5.7238e-05 deg
peri 209.2202340684862 5.8316e-05 deg
M 310.0852410395189 1.0625e-05 deg
tp 2458876.853122659633
(2020-Jan-28.35312266)
5.9101e-05 TDB
period 1993.140430393235
5.46
1.2243e-05
3.352e-08
d
yr
n .1806194859681684 1.1095e-09 deg/d
Q 3.661689990389638 1.4995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2358  
   data-arc span      29998 days (82.13 yr)  
   first obs. used      1937-10-11  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48282  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:25:12  

Additional Information
 Earth MOID = 1.54968 au 
 Jupiter MOID = 1.69782 au 
 T_jup = 3.194 
[ 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 12.1   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

[ hide close-approach data ]
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 1.8020719032249 1.80207130103527 1.80207250541422 2.14158593548143 1.90953822860973 2424201.899216788 1.80012601900038 50.6426969322544 10.625563450459 -84.2077318890696 1955997.86533719 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
1935-Feb-12 04:26 00:02 Jupiter 1.7887570312658 1.78875646638353 1.78875759614816 1.96043811024259 1.70184196768118 2427845.684771952 1.52654349786514 78.6289366654489 26.2961855260311 86.8163730710891 2204101.69547055 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
1996-Jan-06 10:30 < 00:01 Jupiter 1.75366513722276 1.75366479093473 1.7536654835108 1.93099354603498 1.66214725689618 2450088.937587247 0.439377949619245 55.0998351772122 20.5471646692503 -89.4733592495889 3089541.10743014 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2005-Dec-30 01:48 < 00:01 Jupiter 1.84649235804198 1.84649195861046 1.84649275747341 2.11126112429041 1.8814845287016 2453734.574953402 0.256588245638995 39.687789258143 17.9581102652826 85.0557284768644 2549556.90977158 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2066-Nov-20 09:23 00:01 Jupiter 1.71951405520796 1.71951371971014 1.71951439070588 1.8030056338253 1.50520466122293 2475974.890763378 1.01934432581189 65.4956250714907 31.3985526862694 78.7426051675863 2985339.98652916 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2076-Nov-16 12:33 00:01 Jupiter 1.91857509466533 1.91857446812855 1.91857572120233 2.32831581166852 2.13027794246835 2479624.022865152 1.21376340015603 68.2484713956597 13.0624184641096 79.5702570379754 2583422.50344622 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2127-Oct-27 07:01 00:02 Jupiter 1.92127963763955 1.92127877422116 1.92128050105826 2.87455225097931 2.71685906422846 2498229.792293809 2.16828294520912 81.0451794287268 16.2064996618492 81.5699393289497 2202351.55010603 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2137-Oct-06 08:03 00:02 Jupiter 1.71126799352794 1.71126766876823 1.71126831828747 1.76656803435126 1.45973527209136 2501861.835069617 2.37891932514177 98.9107594539944 37.9290307552434 84.3802784127625 2644810.90759903 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2147-Oct-05 21:22 00:03 Jupiter 1.99860020478164 1.99859900748628 1.99860140207893 2.60791264814083 2.4399984877618 2505513.390252145 2.53874896205241 129.097163930652 12.663631571499 74.8688988083148 2676904.28504866 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25
2198-Sep-10 20:07 00:04 Jupiter 1.84622177538114 1.84622053656794 1.84622301419435 2.42830240682653 2.23138490979747 2524116.337885340 3.61654098892355 98.8887516131963 9.4041883668156 -89.5778789410712 1655125.65217241 T 34 CATAB v2.0f-lin.ifort 2019-Dec-03 20:25:28 2019-Dec-03 20:25

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-06 01:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin