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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764033240958923 5.9033e-08  
a 3.180394025018586 1.9213e-08 au
q 2.619361947070593 1.8381e-07 au
i 1.959710777027307 4.9254e-06 deg
node 138.4246538284809 0.00015738 deg
peri 212.8167232180538 0.0001579 deg
M 129.6545180701347 1.3304e-05 deg
tp 2458254.386368456580
(2018-May-15.88636846)
7.4528e-05 TDB
period 2071.666389676721
5.67
1.8772e-05
5.139e-08
d
yr
n .1737731527594929 1.5746e-09 deg/d
Q 3.741426102966579 2.2602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      9888 days (27.07 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:52:11  

Additional Information
 Earth MOID = 1.61391 au 
 Jupiter MOID = 1.69191 au 
 T_jup = 3.174 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456840.5 (2014-Jul-02.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699706377184241 5.7793e-08  
q 2.650008030916433 1.7749e-07 au
tp 2456171.948771882241
(2012-Sep-01.44877188)
7.8016e-05 TDB
node 138.4045912451366 0.00015773 deg
peri 212.2182457707584 0.00015832 deg
i 1.951044874450314 4.9091e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      9888 days (27.07 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:52:11  

Additional Information
 Jupiter MOID = 1.69191 au 
 T_jup = 3.174 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.340086064722582E-15 -1.021737987932451E-14 8.37347622021155E-13 1.10754386861802E-14 4.57492145054779E-14 -1.824114381370512E-15
q -1.021737987932451E-14 3.150239726637896E-14 -2.686942820316384E-12 -5.024500860685847E-14 -1.308522123099804E-13 5.34156330742345E-15
tp 8.37347622021155E-13 -2.686942820316384E-12 6.086487037180392E-9 3.271153322065387E-12 1.096289167228956E-9 -1.348590134628017E-12
node 1.10754386861802E-14 -5.024500860685847E-14 3.271153322065387E-12 2.488003311874023E-8 -2.486589593998594E-8 1.861967154413681E-10
peri 4.57492145054779E-14 -1.308522123099804E-13 1.096289167228956E-9 -2.486589593998594E-8 2.506586400623717E-8 -1.862998106803364E-10
i -1.824114381370512E-15 5.34156330742345E-15 -1.348590134628017E-12 1.861967154413681E-10 -1.862998106803364E-10 2.409947570226877E-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 15.0   n/a MPC47698  

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

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