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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1873016248207165 1.1384e-07  
a 3.185168738207093 5.0555e-08 au
q 2.588581458212753 3.4537e-07 au
i 15.08637142294313 1.2112e-05 deg
node 286.0753149343893 4.6895e-05 deg
peri 352.5450080189325 6.4726e-05 deg
M 161.7007775851796 4.9314e-05 deg
tp 2458067.875755278057
(2017-Nov-10.37575528)
0.00027089 TDB
period 2076.333417277714
5.68
4.9433e-05
1.353e-07
d
yr
n .173382558410102 4.1279e-09 deg/d
Q 3.781756018201432 6.0024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1995-06-24  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:36  

Additional Information
 Earth MOID = 1.57286 au 
 Jupiter MOID = 1.40088 au 
 T_jup = 3.118 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899718396637384 1.1459e-07  
q 2.577478006033333 3.488e-07 au
tp 2458065.633156866617
(2017-Nov-08.13315687)
0.00026782 TDB
node 286.315178067607 4.6711e-05 deg
peri 352.1600661601195 6.4349e-05 deg
i 15.11998634869621 1.2154e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      8540 days (23.38 yr)  
   first obs. used      1995-06-24  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49738  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:46:36  

Additional Information
 Jupiter MOID = 1.40088 au 
 T_jup = 3.118 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.313056759022394E-14 -3.975396124755049E-14 2.531002367417717E-11 -1.03655233177817E-13 4.285807089894698E-12 -6.742006088635995E-14
q -3.975396124755049E-14 1.216594004801076E-13 -7.43992496248844E-11 3.381832125337964E-13 -1.273232149022943E-11 2.106151805972933E-13
tp 2.531002367417717E-11 -7.43992496248844E-11 7.172640151958613E-8 -2.910970715739593E-10 1.215098186757732E-8 -1.620121650296453E-10
node -1.03655233177817E-13 3.381832125337964E-13 -2.910970715739593E-10 2.181907981563881E-9 -2.157079917975634E-9 4.160622955453307E-10
peri 4.285807089894698E-12 -1.273232149022943E-11 1.215098186757732E-8 -2.157079917975634E-9 4.140751650148398E-9 -4.30027376105482E-10
i -6.742006088635995E-14 2.106151805972933E-13 -1.620121650296453E-10 4.160622955453307E-10 -4.30027376105482E-10 1.477105326737781E-10

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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