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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577382045154044 4.8823e-08  
a 2.599060200370167 1.4893e-08 au
q 2.18908911093633 1.2717e-07 au
i 14.46276699071483 5.8073e-06 deg
node 6.417658680505888 1.4141e-05 deg
peri 324.8827967428775 2.1757e-05 deg
M 83.09855467991649 1.5218e-05 deg
tp 2458647.224186857397
(2019-Jun-12.72418686)
6.5345e-05 TDB
period 1530.463354281108
4.19
1.3155e-05
3.602e-08
d
yr
n .2352228813535362 2.0218e-09 deg/d
Q 3.009031289804005 1.7242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:28  

Additional Information
 Earth MOID = 1.19565 au 
 Jupiter MOID = 2.43874 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457714.5 (2016-Nov-22.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1593220248314489 4.8933e-08  
q 2.183743962934263 1.2764e-07 au
tp 2457117.036367674003
(2015-Apr-04.53636767)
6.886e-05 TDB
node 6.467507062742815 1.4118e-05 deg
peri 324.7908650308484 2.1609e-05 deg
i 14.48003860103959 5.8123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      735  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:28  

Additional Information
 Jupiter MOID = 2.43874 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.394457995470283E-15 -6.21580992171822E-15 1.413206149772313E-12 1.614352437300558E-14 2.469216232338425E-13 -1.44579786037369E-15
q -6.21580992171822E-15 1.6292318009995E-14 -4.032493445020781E-12 -4.459850728427846E-14 -7.149472615897421E-13 4.964979803367959E-15
tp 1.413206149772313E-12 -4.032493445020781E-12 4.741742557258547E-9 1.895865320414923E-11 1.123329145645587E-9 -7.153676628907442E-12
node 1.614352437300558E-14 -4.459850728427846E-14 1.895865320414923E-11 1.993253934917377E-10 -1.883120018919594E-10 1.618929240088075E-11
peri 2.469216232338425E-13 -7.149472615897421E-13 1.123329145645587E-9 -1.883120018919594E-10 4.669348217941999E-10 -1.740707355078135E-11
i -1.44579786037369E-15 4.964979803367959E-15 -7.153676628907442E-12 1.618929240088075E-11 -1.740707355078135E-11 3.378302039994791E-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 15.6   n/a MPO439693  

101238 (1998 SQ79)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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