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193305 (2000 SS281)
Classification: Main-belt Asteroid          SPK-ID: 2193305
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07028223217373598 4.5361e-08  
a 2.451649862230339 1.8351e-08 au
q 2.279342437404359 1.1383e-07 au
i 5.301606882852605 5.55e-06 deg
node 255.7469302467264 6.8421e-05 deg
peri 210.4674563741415 8.7965e-05 deg
M 304.9796580889399 5.7915e-05 deg
tp 2459214.792454522586
(2020-Dec-31.29245452)
0.00022688 TDB
period 1402.122941235729
3.84
1.5743e-05
4.31e-08
d
yr
n .2567535195470964 2.8827e-09 deg/d
Q 2.62395728705632 1.9641e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7341 days (20.10 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:31:45  

Additional Information
 Earth MOID = 1.29798 au 
 Jupiter MOID = 2.47448 au 
 T_jup = 3.486 
[ 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 16.1   n/a MPO348492  

193305 (2000 SS281)          Discovered 2000-Sep-23 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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