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101243 (1998 SW82)
Classification: Main-belt Asteroid          SPK-ID: 2101243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .237543764106295 4.5577e-08  
a 2.306270476429159 6.9984e-09 au
q 1.758430306410959 1.0502e-07 au
i 3.828494522319719 4.563e-06 deg
node 245.2822563680698 7.9027e-05 deg
peri 76.34564128357304 8.0891e-05 deg
M 95.17215571045698 1.4054e-05 deg
tp 2458662.301877930535
(2019-Jun-27.80187793)
4.9881e-05 TDB
period 1279.274626450748
3.50
5.8229e-06
1.594e-08
d
yr
n .2814094742102351 1.2809e-09 deg/d
Q 2.85411064644736 8.6608e-09 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      10305 days (28.21 yr)  
   first obs. used      1991-10-04  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:01:38  

Additional Information
 Earth MOID = .75073 au 
 Jupiter MOID = 2.48425 au 
 T_jup = 3.547 
[ 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 16.5   n/a MPO502725  

101243 (1998 SW82)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SW82 = 1991 TY3 = 2000 BY30 = 2001 KQ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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