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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 ]

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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577554604512988 4.6977e-08  
a 2.599483068561514 1.3713e-08 au
q 2.189400420145237 1.2091e-07 au
i 14.46261870908461 4.5712e-06 deg
node 6.409489511071193 1.3661e-05 deg
peri 324.9546697084538 1.8374e-05 deg
M 130.0619168104038 1.2329e-05 deg
tp 2458647.434502944638
(2019-Jun-12.93450294)
5.2249e-05 TDB
period 1530.836880023622
4.19
1.2113e-05
3.316e-08
d
yr
n .2351654867332729 1.8608e-09 deg/d
Q 3.009565716977791 1.5876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      8204 days (22.46 yr)  
   first obs. used      1998-09-18  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:52  

Additional Information
 Earth MOID = 1.19411 au 
 Jupiter MOID = 2.43872 au 
 T_jup = 3.353 
[ 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 15.69   n/a E2021B55  

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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