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79281 (1995 SN32)
Classification: Main-belt Asteroid          SPK-ID: 2079281
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 .1018934659106379 4.4097e-08  
a 2.246308350166204 9.1452e-09 au
q 2.017424206863763 1.0129e-07 au
i 2.022724152403222 5.0987e-06 deg
node 170.2670141920942 0.00011883 deg
peri 334.2459953930839 0.00012149 deg
M 325.6717727124704 2.5784e-05 deg
tp 2459117.760397042478
(2020-Sep-25.26039704)
8.8374e-05 TDB
period 1229.709375369555
3.37
7.5096e-06
2.056e-08
d
yr
n .2927520983499145 1.7878e-09 deg/d
Q 2.475192493468645 1.0077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:38:35  

Additional Information
 Earth MOID = 1.02972 au 
 Jupiter MOID = 2.524 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456496.5 (2013-Jul-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018525903595844 4.4157e-08  
q 2.017887297433318 1.015e-07 au
tp 2456658.651154534276
(2014-Jan-01.15115453)
8.3249e-05 TDB
node 170.3116907990215 0.00011886 deg
peri 334.2798961281322 0.00012152 deg
i 2.022024084225529 5.0992e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-09-21  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:38:35  

Additional Information
 Jupiter MOID = 2.524 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.949855197000645E-15 -4.468054161402546E-15 8.620518279012775E-13 1.067179511347675E-15 3.07975060242684E-13 -5.92961930096638E-16
q -4.468054161402546E-15 1.030260375147737E-14 -1.752549294117207E-12 -2.574858750478147E-15 -6.423473929031223E-13 1.466237985080049E-15
tp 8.620518279012775E-13 -1.752549294117207E-12 6.930444559349656E-9 -2.749688937832902E-12 2.116377645645478E-9 1.425666022452224E-12
node 1.067179511347675E-15 -2.574858750478147E-15 -2.749688937832902E-12 1.412766692968087E-8 -1.411891105219154E-8 1.114307819919319E-10
peri 3.07975060242684E-13 -6.423473929031223E-13 2.116377645645478E-9 -1.411891105219154E-8 1.476690783453562E-8 -1.109553123748828E-10
i -5.92961930096638E-16 1.466237985080049E-15 1.425666022452224E-12 1.114307819919319E-10 -1.109553123748828E-10 2.60021393937231E-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 16.5   n/a MPO502634  

79281 (1995 SN32)          Discovered 1995-Sep-21 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1995 SN32 = 1999 XM57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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