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523841 (1995 MS2)
Classification: Main-belt Asteroid          SPK-ID: 2523841
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873016133881619 9.3738e-08  
a 3.185168743409049 4.9961e-08 au
q 2.58858149885499 2.8194e-07 au
i 15.08636376600232 9.45e-06 deg
node 286.075329054163 3.6165e-05 deg
peri 352.5450100815817 5.018e-05 deg
M 161.7007652406023 4.1062e-05 deg
tp 2458067.875824191837
(2017-Nov-10.37582419)
0.00022278 TDB
period 2076.333422364256
5.68
4.8853e-05
1.338e-07
d
yr
n .1733825579853544 4.0794e-09 deg/d
Q 3.781755987963108 5.9319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      8944 days (24.49 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:41:43  

Additional Information
 Earth MOID = 1.57286 au 
 Jupiter MOID = 1.40088 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457373.5 (2015-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890844734574868 9.3935e-08  
q 2.582426686317378 2.8358e-07 au
tp 2458065.982623319807
(2017-Nov-08.48262332)
0.00022179 TDB
node 286.2857350173112 3.6087e-05 deg
peri 352.0581846184234 5.0043e-05 deg
i 15.10338758125569 9.4697e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      8944 days (24.49 yr)  
   first obs. used      1995-06-24  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:41:43  

Additional Information
 Jupiter MOID = 1.40088 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.82377124558859E-15 -2.64226710023119E-14 1.538078499599179E-11 -5.424607678870634E-15 2.402828544251613E-12 -2.686230322767361E-14
q -2.64226710023119E-14 8.041790564955881E-14 -4.355782281585807E-11 3.780281472303847E-14 -6.890919738606297E-12 8.179105118472539E-14
tp 1.538078499599179E-11 -4.355782281585807E-11 4.919264488343451E-8 -4.699550614442964E-11 7.839669751286942E-9 -7.042443101485378E-11
node -5.424607678870634E-15 3.780281472303847E-14 -4.699550614442964E-11 1.302270024089867E-9 -1.266454810094208E-9 1.901821930668056E-10
peri 2.402828544251613E-12 -6.890919738606297E-12 7.839669751286942E-9 -1.266454810094208E-9 2.504329463886508E-9 -1.956787696913812E-10
i -2.686230322767361E-14 8.179105118472539E-14 -7.042443101485378E-11 1.901821930668056E-10 -1.956787696913812E-10 8.967486466966672E-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 15.7   n/a E2018T04  

523841 (1995 MS2)          Discovered 1995-Jun-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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