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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 ]

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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 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 
[ show covariance matrix ]

[ 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

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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
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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