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100340 (1995 SQ41)
Classification: Main-belt Asteroid          SPK-ID: 2100340
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766016924577464 5.8962e-08  
a 3.180009126398716 1.9182e-08 au
q 2.618414132645623 1.8361e-07 au
i 1.959925687375602 4.9253e-06 deg
node 138.4252067990196 0.00015566 deg
peri 212.8299873648611 0.00015617 deg
M 164.381499265501 1.3341e-05 deg
tp 2458254.717197442445
(2018-May-16.21719744)		 7.4014e-05 TDB
period 2071.290324288806
5.67		 1.8741e-05
5.131e-08		 d
yr
n .1738047031739062 1.5726e-09 deg/d
Q 3.741604120151809 2.2569e-08 au
   Orbit Determination Parameters
   # obs. used (total)      607  
   data-arc span      10125 days (27.72 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:02  

Additional Information
 Earth MOID = 1.61122 au 
 Jupiter MOID = 1.69247 au 
 T_jup = 3.174 
[ 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 15.04   n/a E2021B55  

100340 (1995 SQ41)          Discovered 1995-Sep-25 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 SQ41 = 2001 TT73 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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