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101238 (1998 SQ79)
Classification: Main-belt Asteroid          SPK-ID: 2101238
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577554616997018 4.7131e-08  
a 2.599483069762428 1.3817e-08 au
q 2.189400417911498 1.2144e-07 au
i 14.46261884208937 4.7016e-06 deg
node 6.409489778061502 1.3739e-05 deg
peri 324.9546703995514 1.87e-05 deg
M 130.0619159719905 1.2586e-05 deg
tp 2458647.434506126584
(2019-Jun-12.93450613)
5.3457e-05 TDB
period 1530.836881084451
4.19
1.2205e-05
3.342e-08
d
yr
n .2351654865703096 1.8749e-09 deg/d
Q 3.009565721613358 1.5997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:42  

Additional Information
 Earth MOID = 1.19411 au 
 Jupiter MOID = 2.43872 au 
 T_jup = 3.353 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457922.5 (2017-Jun-18.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590704395417259 4.7185e-08  
q 2.18482533094426 1.2175e-07 au
tp 2458646.286875728225
(2019-Jun-11.78687573)
5.3018e-05 TDB
node 6.469535560720562 1.3718e-05 deg
peri 324.7652558811274 1.8612e-05 deg
i 14.47952708132912 4.7059e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      8157 days (22.33 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:27:42  

Additional Information
 Jupiter MOID = 2.43872 au 
 T_jup = 3.353 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.226446098552159E-15 -5.71923197971466E-15 9.387920033926371E-13 1.612763757474212E-14 1.076722302872112E-13 2.89247209204978E-15
q -5.71923197971466E-15 1.48227339454263E-14 -2.453835028428214E-12 -4.331760273447352E-14 -3.012531954383235E-13 -6.762102661039926E-15
tp 9.387920033926371E-13 -2.453835028428214E-12 2.810947482736198E-9 8.269448418215169E-12 6.608157000370675E-10 -1.875356907338738E-12
node 1.612763757474212E-14 -4.331760273447352E-14 8.269448418215169E-12 1.881713929887992E-10 -1.799945332709188E-10 4.897948547847353E-12
peri 1.076722302872112E-13 -3.012531954383235E-13 6.608157000370675E-10 -1.799945332709188E-10 3.464227322912899E-10 -5.469077205546533E-12
i 2.89247209204978E-15 -6.762102661039926E-15 -1.875356907338738E-12 4.897948547847353E-12 -5.469077205546533E-12 2.214525556675395E-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 15.69   n/a E2021B55  

101238 (1998 SQ79)          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
1938-Jul-11 11:36 00:02 Hygie 0.0358364459287897 0.0358295489242135 0.0358433526894559 4.86980329869675 4.86980307730263 2429090.983652591 1.76535980644119 1004.04278017473 54.8725495612155 70.2171539082509 91838.2475335126 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:43 2021-Feb-24 08:27
2048-Dec-26 18:34 00:01 Juno 0.00988314619120135 0.00986715714998788 0.00989913751426695 11.4819409119526 11.4819408047426 2469437.273330417 1.04494991618175 831.854708265295 55.5252953979386 16.6170616677857 7799.91431587519 T 24 CATAB v2.0f-lin.ifort 2021-Feb-24 08:27:43 2021-Feb-24 08:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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