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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846239833814065 4.2072e-08  
a 2.999752807456625 1.868e-08 au
q 2.445926494984425 1.3034e-07 au
i 14.23605905187229 6.1349e-06 deg
node 172.8609119134155 1.7515e-05 deg
peri 270.7898955393344 2.4135e-05 deg
M 242.981558256066 1.8382e-05 deg
tp 2459617.348395470966
(2022-Feb-06.84839547)
9.9518e-05 TDB
period 1897.695944845028
5.20
1.7726e-05
4.853e-08
d
yr
n .1897037304516129 1.772e-09 deg/d
Q 3.553579119928825 2.2129e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7364 days (20.16 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:33:34  

Additional Information
 Earth MOID = 1.51169 au 
 Jupiter MOID = 1.90521 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457341.5 (2015-Nov-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845872919272064 4.0874e-08  
q 2.445219877186857 1.2621e-07 au
tp 2457710.081804592587
(2016-Nov-17.58180459)
9.1849e-05 TDB
node 173.4188801101201 1.7549e-05 deg
peri 268.8203361126792 2.4358e-05 deg
i 14.24684747328363 6.126e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      7364 days (20.16 yr)  
   first obs. used      2000-09-01  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55692  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:33:34  

Additional Information
 Jupiter MOID = 1.90521 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.670665956187642E-15 -5.122614600615101E-15 6.421191833080397E-13 1.612474064560139E-15 2.004361225904741E-13 -1.843848691811081E-15
q -5.122614600615101E-15 1.59286362475628E-14 -1.317840042971265E-12 -6.64170922475438E-15 -5.08578058212027E-13 6.530976622377734E-15
tp 6.421191833080397E-13 -1.317840042971265E-12 8.436248982748897E-9 1.208330353213294E-11 1.561702002144939E-9 -3.218256669619385E-12
node 1.612474064560139E-15 -6.64170922475438E-15 1.208330353213294E-11 3.079711879506201E-10 -2.954906608133568E-10 -4.140585068807038E-11
peri 2.004361225904741E-13 -5.08578058212027E-13 1.561702002144939E-9 -2.954906608133568E-10 5.933012621522746E-10 3.914666876551061E-11
i -1.843848691811081E-15 6.530976622377734E-15 -3.218256669619385E-12 -4.140585068807038E-11 3.914666876551061E-11 3.752765315976348E-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 14.6   n/a MPO395929  
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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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 1.92149698056075 1.92149637493904 1.92149758618268 3.59217113041068 3.46728506107015 2441963.055657241 1.19346808318896 137.215861632578 24.2757154703123 88.1650503817228 1518553.18854534 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 19:33:36 2020-Nov-12 19:33
2056-Aug-18 21:05 00:01 Jupiter 1.91274473338203 1.91274411454525 1.9127453522187 3.33169907561873 3.19602204066456 2472229.378629755 1.21257397154458 119.273099969906 28.8317010600065 -87.2570134336238 1411052.34865632 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 19:33:36 2020-Nov-12 19:33
2139-Jul-03 03:17 00:04 Jupiter 1.89956073512388 1.89955997155891 1.89956149869349 3.08337837093817 2.93520243783067 2502496.636549744 3.64044790700932 274.011703465804 36.4705870662079 -78.289822012874 1095309.11674694 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 19:33:36 2020-Nov-12 19:33

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