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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816958418054427 3.3833e-08  
a 3.100753281647106 1.2228e-08 au
q 2.537359303907246 1.0749e-07 au
i 3.589966614553728 4.2274e-06 deg
node 208.0268620658959 5.5572e-05 deg
peri 209.1719612670438 5.6654e-05 deg
M 22.35634651577343 1.024e-05 deg
tp 2458876.649553529651
(2020-Jan-28.14955353)
5.664e-05 TDB
period 1994.340206610598
5.46
1.1797e-05
3.23e-08
d
yr
n .1805108269926643 1.0678e-09 deg/d
Q 3.664147259386966 1.445e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2638  
   data-arc span      30336 days (83.06 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:16:36  

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

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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 1.80207168141058 1.80207110068801 1.80207226213285 2.14158489631935 1.90953703287039 2424201.899096497 1.73236351372673 48.4672226774521 10.3891003840427 -84.5147703223024 2019314.33599837 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
1935-Feb-12 04:26 00:01 Jupiter 1.78875698151601 1.7887564469817 1.78875751605041 1.96043725293682 1.70184097236845 2427845.684632957 1.47136352990893 76.2038339446675 25.3940197883034 86.9457985889162 2303544.40054816 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
1996-Jan-06 10:30 < 00:01 Jupiter 1.75366493434137 1.75366459603122 1.75366527265143 1.93099254019579 1.66214605474783 2450088.937507527 0.428697221312111 52.6741375632865 20.0385220636674 89.9755876793764 3163318.37644003 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2005-Dec-30 01:48 < 00:01 Jupiter 1.84649233539406 1.84649194542571 1.8464927253622 2.11126040925697 1.88148372335416 2453734.574859349 0.254804430109926 38.6956637301724 17.3037386158622 86.0089555400795 2631037.5524791 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2066-Nov-20 09:23 < 00:01 Jupiter 1.71951387341403 1.71951354961071 1.71951419721744 1.8030046493124 1.50520344732715 2475974.890734076 0.975545395090293 62.4735671275594 30.5753296390222 78.2894216227021 3075902.99556615 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2076-Nov-16 12:33 00:01 Jupiter 1.91857508642994 1.91857446454603 1.91857570831406 2.32831521443166 2.13027728882072 2479624.022819587 1.15988156645272 65.3710466212702 12.7247595396164 79.5557213118772 2631966.56198283 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2127-Oct-27 07:01 00:02 Jupiter 1.92127951094876 1.92127866669289 1.92128035520495 2.87455174901624 2.71685852243001 2498229.792318912 2.07885806460623 78.1446049406829 15.8901836960881 81.3187619489167 2254851.72111812 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2137-Oct-06 08:03 00:02 Jupiter 1.71126782969595 1.71126751175014 1.71126814764157 1.76656702441637 1.45973401740784 2501861.835098804 2.27974646240043 94.2134496975532 37.3120255385995 84.6277456764096 2692052.47745397 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2147-Oct-05 21:22 00:02 Jupiter 1.99860020079419 1.99859903220762 1.99860136938247 2.6079121693689 2.43999797569551 2505513.390252499 2.43072749648106 123.633571783156 12.4594076792637 74.6891311716471 2729986.61175966 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16
2198-Sep-10 20:07 00:03 Jupiter 1.84622164175325 1.84622044157794 1.84622284192856 2.42830197453667 2.23138442447685 2524116.337961006 3.46990753510184 95.1909346072256 9.16310714136758 -89.7158508415023 1705309.02533317 T 39 CATAB v2.0f-lin.ifort 2020-Nov-13 04:16:42 2020-Nov-13 04:16

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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