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
JPL Small-Body Database Browser
Search: [ help ]  
105946 (2000 ST238)
Classification: Main-belt Asteroid          SPK-ID: 2105946
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849050254172661 4.2003e-08  
a 2.997009633556099 1.8359e-08 au
q 2.442847491087617 1.3013e-07 au
i 14.24790946249894 6.0933e-06 deg
node 172.8331848444532 1.7347e-05 deg
peri 271.0971092401985 2.396e-05 deg
M 280.6604229514261 1.8459e-05 deg
tp 2459618.155317838365
(2022-Feb-07.65531784)
9.8959e-05 TDB
period 1895.093470560845
5.19
1.7413e-05
4.767e-08
d
yr
n .1899642448208422 1.7455e-09 deg/d
Q 3.551171776024582 2.1753e-08 au
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:59:05  

Additional Information
 Earth MOID = 1.50843 au 
 Jupiter MOID = 1.90509 au 
 T_jup = 3.182 
[ 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 14.58   n/a E2021B55  
diameter diameter 6.485 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

105946 (2000 ST238)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1973-Oct-07 13:20 00:01 Jupiter 1.92149702259924 1.921496420539 1.9214976246597 3.59217209046132 3.46728605918407 2441963.055710332 1.19133433953591 136.820838883505 24.1164258655719 88.1688483363172 1529338.64818694 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:59:07 2021-Apr-13 15:59
2056-Aug-18 21:05 00:01 Jupiter 1.91274477936924 1.91274416428744 1.91274539445093 3.331699420467 3.19602240424897 2472229.378593142 1.20703899799568 118.511290057686 28.6791655149379 -87.2214517352392 1421750.09800779 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:59:07 2021-Apr-13 15:59
2139-Jul-03 03:17 00:04 Jupiter 1.89956078170676 1.89956002196159 1.89956154145647 3.08337902473047 2.93520312919259 2502496.636626042 3.62841435215729 272.937215960323 36.2458564643441 -78.268718726846 1103526.93871499 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 15:59:07 2021-Apr-13 15:59

Alternate Designations
 2000 ST238 = 2002 BP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 01:11 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin