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101311 (1998 SA138)
Classification: Main-belt Asteroid          SPK-ID: 2101311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730258335516915 4.2412e-08  
a 2.365823669265391 9.9339e-09 au
q 1.956475056854426 9.8156e-08 au
i 5.681002872277625 5.6551e-06 deg
node 186.0616764596002 4.667e-05 deg
peri 162.291689146602 4.9219e-05 deg
M 3.46487720840471 1.5747e-05 deg
tp 2458987.707443815482
(2020-May-18.20744382)
5.8111e-05 TDB
period 1329.143848230919
3.64
8.3714e-06
2.292e-08
d
yr
n .2708510448129127 1.7059e-09 deg/d
Q 2.775172281676356 1.1653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      431  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1998-09-18  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56336  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:16  

Additional Information
 Earth MOID = .951135 au 
 Jupiter MOID = 2.65624 au 
 T_jup = 3.521 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO474887  

101311 (1998 SA138)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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