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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001298233771566 5.6822e-08  
a 2.586261985257852 1.4858e-08 au
q 2.327300029466929 1.4616e-07 au
i 7.252296662822832 6.5415e-06 deg
node 198.9615725426299 3.3757e-05 deg
peri 162.0407697782518 4.3421e-05 deg
M 122.8149761896746 2.6377e-05 deg
tp 2458682.230049619783
(2019-Jul-17.73004962)
0.00011158 TDB
period 1519.172888563115
4.16
1.3092e-05
3.584e-08
d
yr
n .2369710535977904 2.0421e-09 deg/d
Q 2.845223941048775 1.6346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      11042 days (30.23 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:07  

Additional Information
 Earth MOID = 1.3243 au 
 Jupiter MOID = 2.60061 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457777.5 (2017-Jan-24.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1009204416587676 5.6839e-08  
q 2.32467701022516 1.4605e-07 au
tp 2457158.915585518893
(2015-May-16.41558552)
0.00011231 TDB
node 198.9986940288126 3.3728e-05 deg
peri 161.0579077221612 4.3282e-05 deg
i 7.254875537924272 6.5438e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      11042 days (30.23 yr)  
   first obs. used      1990-10-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:33:07  

Additional Information
 Jupiter MOID = 2.60061 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.230662599551314E-15 -8.267326414504711E-15 2.849810547593714E-12 3.626547676399916E-14 5.941881285189201E-13 2.757295573508807E-15
q -8.267326414504711E-15 2.132950052314112E-14 -7.613160406533054E-12 -9.457013475380253E-14 -1.582192561395545E-12 -6.724220755873033E-15
tp 2.849810547593714E-12 -7.613160406533054E-12 1.261457229239239E-8 5.159444261675815E-11 3.051769809666419E-9 3.607570162657494E-12
node 3.626547676399916E-14 -9.457013475380253E-14 5.159444261675815E-11 1.137587305307143E-9 -1.116022985345254E-9 7.938876703978509E-11
peri 5.941881285189201E-13 -1.582192561395545E-12 3.051769809666419E-9 -1.116022985345254E-9 1.873346254750983E-9 -7.793198485554795E-11
i 2.757295573508807E-15 -6.724220755873033E-15 3.607570162657494E-12 7.938876703978509E-11 -7.793198485554795E-11 4.282089101275764E-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 16.2   n/a MPO502725  

101248 (1998 ST88)          Discovered 1998-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
1922-Aug-03 03:29 00:01 Ceres 0.0178056549670753 0.017799533524522 0.0178118504157528 5.66237478502893 5.66237059482402 2423269.645088860 1.39691809195656 1882.4718483011 73.7573535607949 -80.9272033720313 35509.2808843874 T 15 CATAB v2.0f-lin.ifort 2021-Feb-24 19:33:08 2021-Feb-24 19:33
2051-Jun-24 23:58 00:01 Ceres 0.0330977362574822 0.0330743297120899 0.0331211429929359 5.76155476247832 5.76155254707008 2470347.498658147 1.4210863093712 1169.59133506715 74.7121389163521 6.2236884380109 8287.72903468269 T 15 CATAB v2.0f-lin.ifort 2021-Feb-24 19:33:08 2021-Feb-24 19:33

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