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90819 (1995 SN)
Classification: Main-belt Asteroid          SPK-ID: 2090819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897123561282522 3.9897e-08  
a 2.797850623807093 1.988e-08 au
q 2.267063789869749 1.156e-07 au
i 7.570323194087608 5.4576e-06 deg
node 18.54512485467244 3.5009e-05 deg
peri 253.7052708234471 3.9325e-05 deg
M 265.6615829999563 2.1797e-05 deg
tp 2459844.441496465092
(2022-Sep-21.94149646)
0.00010579 TDB
period 1709.366595873221
4.68
1.8219e-05
4.988e-08
d
yr
n .2106043261106878 2.2447e-09 deg/d
Q 3.328637457744438 2.3651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      9302 days (25.47 yr)  
   first obs. used      1995-09-18  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:42:03  

Additional Information
 Earth MOID = 1.26539 au 
 Jupiter MOID = 1.84624 au 
 T_jup = 3.287 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911361069191552 3.9731e-08  
q 2.26188066451548 1.1524e-07 au
tp 2458134.279195305744
(2018-Jan-15.77919531)
9.7461e-05 TDB
node 18.58459800973329 3.5005e-05 deg
peri 253.6174003214176 3.929e-05 deg
i 7.574018080858632 5.4593e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      470  
   data-arc span      9302 days (25.47 yr)  
   first obs. used      1995-09-18  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:42:03  

Additional Information
 Jupiter MOID = 1.84624 au 
 T_jup = 3.287 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.578533086740124E-15 -4.535915761151259E-15 -6.235473519875929E-13 -3.96296057742696E-15 -8.238135596560942E-14 1.799186691914671E-15
q -4.535915761151259E-15 1.328042178703651E-14 2.295843035529763E-12 1.317637099090459E-14 3.096332964215966E-13 -4.72511217719095E-15
tp -6.235473519875929E-13 2.295843035529763E-12 9.498569398375946E-9 1.39538661264178E-11 1.758336662172592E-9 2.014922986046425E-12
node -3.96296057742696E-15 1.317637099090459E-14 1.39538661264178E-11 1.225351333052856E-9 -1.211581089927401E-9 -2.540820995484271E-11
peri -8.238135596560942E-14 3.096332964215966E-13 1.758336662172592E-9 -1.211581089927401E-9 1.543691167645075E-9 2.558257038874086E-11
i 1.799186691914671E-15 -4.72511217719095E-15 2.014922986046425E-12 -2.540820995484271E-11 2.558257038874086E-11 2.980399281695403E-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 15.63   n/a MPCxxxxx  

90819 (1995 SN)          Discovered 1995-Sep-18 by Sarounova, L. at Ondrejov
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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Alternate Designations
 1995 SN = 2003 GE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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