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101248 (1998 ST88)
Classification: Main-belt Asteroid          SPK-ID: 2101248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001298446366561 5.5152e-08  
a 2.586261979789222 1.4598e-08 au
q 2.327299969563237 1.4117e-07 au
i 7.252293455462668 6.0971e-06 deg
node 198.9615599704657 3.241e-05 deg
peri 162.0408007345231 4.0832e-05 deg
M 122.8149602376111 2.4312e-05 deg
tp 2458682.230118580105
(2019-Jul-17.73011858)
0.00010254 TDB
period 1519.172883744697
4.16
1.2862e-05
3.521e-08
d
yr
n .2369710543494004 2.0063e-09 deg/d
Q 2.845223990015207 1.6059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      11105 days (30.40 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:47  

Additional Information
 Earth MOID = 1.3243 au 
 Jupiter MOID = 2.60061 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457855.5 (2017-Apr-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007252606503816 5.5233e-08  
q 2.325625775100777 1.4128e-07 au
tp 2457158.906343538496
(2015-May-16.40634354)
0.00010265 TDB
node 198.9974525760957 3.2377e-05 deg
peri 161.1017852594644 4.0728e-05 deg
i 7.255068031833422 6.0998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      11105 days (30.40 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57698  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:47  

Additional Information
 Jupiter MOID = 2.60061 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.050700213472868E-15 -7.770591947779813E-15 2.234586037597018E-12 3.156950008695732E-14 4.418509384437531E-13 2.380602684990045E-15
q -7.770591947779813E-15 1.995876097700412E-14 -5.910241371008824E-12 -8.192507013545897E-14 -1.160047613657909E-12 -5.746666749676538E-15
tp 2.234586037597018E-12 -5.910241371008824E-12 1.053799845845795E-8 3.410303663206933E-11 2.538641886359647E-9 1.944442865230441E-12
node 3.156950008695732E-14 -8.192507013545897E-14 3.410303663206933E-11 1.048284253254035E-9 -1.031885856817922E-9 5.707852484007439E-11
peri 4.418509384437531E-13 -1.160047613657909E-12 2.538641886359647E-9 -1.031885856817922E-9 1.6588011907058E-9 -5.62203335104012E-11
i 2.380602684990045E-15 -5.746666749676538E-15 1.944442865230441E-12 5.707852484007439E-11 -5.62203335104012E-11 3.720803619037638E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.30   n/a MPCxxxxx  

101248 (1998 ST88)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 ST88 = 1997 JA6 = 2002 PO168 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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