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105946 (2000 ST238)
Classification: Main-belt Asteroid          SPK-ID: 2105946
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849050236535149 4.2102e-08  
a 2.997009635383066 1.8365e-08 au
q 2.442847497862748 1.3044e-07 au
i 14.24790954288777 6.1387e-06 deg
node 172.8331847997431 1.7369e-05 deg
peri 271.0971088851757 2.4039e-05 deg
M 280.6604230753222 1.8516e-05 deg
tp 2459618.155317568060
(2022-Feb-07.65531757)		 9.9247e-05 TDB
period 1895.093472293709
5.19		 1.7419e-05
4.769e-08		 d
yr
n .1899642446471399 1.7461e-09 deg/d
Q 3.551171772903384 2.1761e-08 au
   Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:42:31  

Additional Information
 Earth MOID = 1.50843 au 
 Jupiter MOID = 1.90509 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845591510622658 4.0796e-08  
q 2.445221192705616 1.2604e-07 au
tp 2457710.113715683412
(2016-Nov-17.61371568)		 9.1836e-05 TDB
node 173.4189063777255 1.7421e-05 deg
peri 268.8270844284981 2.4286e-05 deg
i 14.24704618441706 6.1257e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7398 days (20.25 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:42:31  

Additional Information
 Jupiter MOID = 1.90509 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.664341841298126E-15 -5.106171633919834E-15 6.37793073096876E-13 1.330299997549967E-15 2.007096221950353E-13 -1.797903473444473E-15
q -5.106171633919834E-15 1.588569604096281E-14 -1.306227573670982E-12 -6.03441426358362E-15 -5.090813421256469E-13 6.426737931354989E-15
tp 6.37793073096876E-13 -1.306227573670982E-12 8.433779929793301E-9 1.005699759992277E-11 1.56379166685732E-9 -3.142861837925575E-12
node 1.330299997549967E-15 -6.03441426358362E-15 1.005699759992277E-11 3.03491451436102E-10 -2.915064189541114E-10 -4.129043330984058E-11
peri 2.007096221950353E-13 -5.090813421256469E-13 1.56379166685732E-9 -2.915064189541114E-10 5.89821985008203E-10 3.904295593125486E-11
i -1.797903473444473E-15 6.426737931354989E-15 -3.142861837925575E-12 -4.129043330984058E-11 3.904295593125486E-11 3.752419489786379E-11

[ 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

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Alternate Designations
 2000 ST238 = 2002 BP25 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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