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
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 ]  
3203 Huth (1938 SL)
Classification: Main-belt Asteroid          SPK-ID: 2003203
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2626597268700002 4.6899e-08  
a 2.322803625626561 8.9369e-09 au
q 1.712696659746842 1.0849e-07 au
i 6.664870268783566 5.0487e-06 deg
node 48.41305859747305 3.2999e-05 deg
peri 305.2815072961438 3.4198e-05 deg
M 34.29401320349385 1.0738e-05 deg
tp 2458877.322047826064
3.8374e-05 TDB
period 1293.055511452916
n .2784103209888439 1.6068e-09 deg/d
Q 2.93291059150628 1.1284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      29674 days (81.24 yr)  
   first obs. used      1938-09-22  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:57:27  

Additional Information
 Earth MOID = .71892 au 
 Jupiter MOID = 2.52896 au 
 T_jup = 3.521 
[ 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 13.8   n/a MPO337276  
diameter diameter 4.345 km 0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 4.7064 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016)]
geometric albedo albedo 0.340   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

3203 Huth (1938 SL)          Discovered 1938-Sep-18 by Hoffmeister, C. at Sonneberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
2049-Mar-26 13:58 < 00:01 Amphi 0.00560724611381993 0.00560637980047686 0.00560811252477782 4.52404247823614 4.52404225161691 2469527.081642746 0.352222932579427 159.991419746462 41.9293057742022 -86.1604583422219 19953.619329866 T 31 CATAB v2.0f-lin.ifort 2020-Jan-28 18:57:56 2020-Jan-28 18:58

Alternate Designations
 1938 SL = 1977 TQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Jun-04 09:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin