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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898855148356758 4.2383e-08  
a 2.797903212087006 2.09e-08 au
q 2.266621920199474 1.2066e-07 au
i 7.569791058619988 7.0671e-06 deg
node 18.56346932705288 3.543e-05 deg
peri 253.6203653511795 4.0869e-05 deg
M 182.3674103469458 2.2589e-05 deg
tp 2459843.966044211226
(2022-Sep-21.46604421)
0.00011031 TDB
period 1709.414789871136
4.68
1.9153e-05
5.244e-08
d
yr
n .2105983884854177 2.3597e-09 deg/d
Q 3.329184503974538 2.4868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      8893 days (24.35 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57847  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:18:36  

Additional Information
 Earth MOID = 1.26503 au 
 Jupiter MOID = 1.84752 au 
 T_jup = 3.287 
[ show covariance matrix ]

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 15.6   n/a MPO459424  

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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