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447220 (2005 TO187)
Classification: Main-belt Asteroid          SPK-ID: 2447220
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07683012371450985 1.5182e-07  
a 3.004278607078776 9.7668e-08 au
q 2.773459510024059 4.2856e-07 au
i 7.039325289922171 2.1955e-05 deg
node 227.3439141816794 0.00014825 deg
peri 248.0820696060809 0.00024639 deg
M 215.8503400393262 0.00021044 deg
tp 2459762.087585806834
(2022-Jul-01.58758581)
0.0011347 TDB
period 1901.992213961922
5.21
9.275e-05
2.539e-07
d
yr
n .1892752227676612 9.2299e-09 deg/d
Q 3.235097704133494 1.0517e-07 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      4575 days (12.53 yr)  
   first obs. used      2005-10-06  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6323  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:50:57  

Additional Information
 Earth MOID = 1.79967 au 
 Jupiter MOID = 1.90553 au 
 T_jup = 3.236 
[ 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 16.9   n/a E2015T31  

447220 (2005 TO187)          Discovered 2005-Oct-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2005 TO187 = 2013 HD76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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