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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-May-19 01:57 00:03 Jupiter 1.9838325496667 1.98383123384588 1.98383386548751 3.51572491580797 3.39210793894636 2417349.581184030 2.99988423887931 81.0868368714533 29.0298281010109 -61.1675298374344 1438292.71303792 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
1982-Feb-15 14:55 00:01 Jupiter 1.95722344747489 1.95722262159958 1.95722427334998 2.53887656799036 2.36227843701268 2445016.121427386 1.19384207254003 62.9172424988631 13.4331278698536 -79.8390850749642 1708226.76173261 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
1992-Dec-10 08:48 < 00:01 Jupiter 1.76160008400616 1.7615993783151 1.76160078969642 1.78688759567147 1.49375900592548 2448966.866985071 0.837568832225341 86.7211548043546 41.573725748334 -81.7088410175646 1472919.4648854 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2003-Oct-11 20:36 < 00:01 Jupiter 1.68576632230389 1.68576575538706 1.68576688921985 1.61751699834981 1.26942912082622 2452924.357998628 0.478938241455142 102.129036843767 68.4537992793109 -58.1941445624181 1651906.62429866 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2014-Aug-04 15:45 < 00:01 Jupiter 1.7670006925308 1.76700019635654 1.76700118870486 2.09408821310575 1.85107895429759 2456874.156556767 0.2734282939422 60.1767765507505 9.90017376462637 87.888062184427 2085236.49030622 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2025-May-11 20:52 < 00:01 Jupiter 1.96164027689976 1.96163978883556 1.96164076496396 3.2849814999396 3.15079632469228 2460807.369526749 0.362396104931215 48.7655484231107 17.447113977305 88.3873491185936 2884327.0533162 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2101-Feb-08 10:33 00:02 Jupiter 1.98328299327278 1.98328224533199 1.98328374121368 2.68325938685862 2.5190710401134 2488472.939246332 1.94980715057707 73.6337486207634 13.3518567995798 -80.7445793917231 2020075.17034546 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2111-Dec-03 18:16 00:02 Jupiter 1.7858248935228 1.78582421104976 1.78582557599574 1.86298977940298 1.5881197868837 2492423.260850479 2.2343000776172 121.048743404876 30.5410511394626 -89.8254276238597 1619833.91706859 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2122-Oct-05 11:39 00:03 Jupiter 1.69687071542352 1.69687015999491 1.69687127085155 1.61994002394631 1.27509643298578 2496381.985113965 2.58165000263714 174.44362552248 68.857923064434 -73.4326722148139 1702503.93761424 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2133-Aug-03 07:28 00:03 Jupiter 1.75772581332574 1.75772493578556 1.75772669086632 1.98620898339136 1.72663117123887 2500336.811037213 3.05341159237758 119.725171266283 22.0040799852487 -77.5663416948372 1618025.86225693 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52
2144-May-14 23:32 00:03 Jupiter 1.93748757359571 1.93748635127045 1.93748879592032 3.04324376888152 2.89602852304681 2504274.480623796 3.46541222582795 51.7625108777085 33.1840888645944 85.58454711943 920933.839894169 T 18 CATAB v2.0f-lin.ifort 2020-May-20 17:52:17 2020-May-20 17:52

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