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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846239823303815 4.4349e-08  
a 2.999752829644557 2.1693e-08 au
q 2.445926516228748 1.3448e-07 au
i 14.23605823864269 6.5069e-06 deg
node 172.8608883414667 2.0397e-05 deg
peri 270.7899183364592 2.6801e-05 deg
M 242.9815462911581 1.8423e-05 deg
tp 2459617.348465386373
(2022-Feb-06.84846539)
9.9605e-05 TDB
period 1897.695965899737
5.20
2.0585e-05
5.636e-08
d
yr
n .1897037283468728 2.0578e-09 deg/d
Q 3.553579143060365 2.5698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      6925 days (18.96 yr)  
   first obs. used      2000-09-01  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:09:01  

Additional Information
 Earth MOID = 1.51169 au 
 Jupiter MOID = 1.90521 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456525.5 (2013-Aug-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850570995651383 4.3567e-08  
q 2.443192955512572 1.3164e-07 au
tp 2455812.905383028578
(2011-Sep-08.40538303)
8.7679e-05 TDB
node 173.4474817471803 2.0399e-05 deg
peri 268.7004701363816 2.6908e-05 deg
i 14.24562102008034 6.5054e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      6925 days (18.96 yr)  
   first obs. used      2000-09-01  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:09:01  

Additional Information
 Jupiter MOID = 1.90521 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.89805351775574E-15 -5.687733591894856E-15 4.618563923117492E-13 -5.219180074184603E-15 1.297176998266812E-13 -4.712702966362427E-15
q -5.687733591894856E-15 1.73289764755347E-14 -1.187913107849397E-12 1.413379189862506E-14 -3.325429851593012E-13 1.418955624893814E-14
tp 4.618563923117492E-13 -1.187913107849397E-12 7.687618699404519E-9 2.73300783412262E-12 1.558279940227E-9 -6.446387189042256E-12
node -5.219180074184603E-15 1.413379189862506E-14 2.73300783412262E-12 4.161247815440581E-10 -4.028486804328033E-10 -2.03489822964096E-11
peri 1.297176998266812E-13 -3.325429851593012E-13 1.558279940227E-9 -4.028486804328033E-10 7.240238044292527E-10 1.826913174379409E-11
i -4.712702966362427E-15 1.418955624893814E-14 -6.446387189042256E-12 -2.03489822964096E-11 1.826913174379409E-11 4.232066830361277E-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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Alternate Designations
 2000 ST238 = 2002 BP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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