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360191 (1988 TA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2360191
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 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4785347725086037 1.9382e-08  
a 1.539761240292511 1.7924e-09 au
q .8029319454515688 2.9902e-08 au
i 2.531301595950794 6.0017e-06 deg
node 194.704336541002 8.8971e-05 deg
peri 105.2090135633753 8.8993e-05 deg
M 224.2956865261394 2.4513e-06 deg
tp 2459263.568987381422
(2021-Feb-18.06898738)
5.1906e-06 TDB
period 697.876383093408
1.91
1.2186e-06
3.336e-09
d
yr
n .5158506702924427 9.0072e-10 deg/d
Q 2.276590535133453 2.6501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   # delay obs. used      5  
   # Doppler obs. used      4  
   data-arc span      8984 days (24.60 yr)  
   first obs. used      1988-10-05  
   last obs. used      2013-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34025  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:22:52  

Additional Information
 Earth MOID = .00589046 au 
 Jupiter MOID = 2.97656 au 
 T_jup = 4.334 
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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 20.6   n/a MPO273806  
diameter diameter 0.4 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed dark albedo (0.06)

360191 (1988 TA)          Discovered 1988-Oct-05 by Phinney, J., Mueller, J. at Palomar
Reference: Last Updated: 2013-04-29

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