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181207 (2005 SX173)
Classification: Main-belt Asteroid          SPK-ID: 2181207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08521168798279369 6.4492e-08  
a 2.914496480263503 2.1528e-08 au
q 2.666147315560339 1.8928e-07 au
i 2.450626376333794 6.2077e-06 deg
node 152.494432111993 0.00010699 deg
peri 207.8119501719828 0.00011116 deg
M 18.32461357752195 2.627e-05 deg
tp 2459107.992689648347
(2020-Sep-15.49268965)
0.00013297 TDB
period 1817.371568885134
4.98
2.0136e-05
5.513e-08
d
yr
n .1980882754872422 2.1947e-09 deg/d
Q 3.162845644966667 2.3362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      9266 days (25.37 yr)  
   first obs. used      1995-08-25  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53938  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:39  

Additional Information
 Earth MOID = 1.66124 au 
 Jupiter MOID = 2.24719 au 
 T_jup = 3.275 
[ 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 15.72   n/a MPCxxxxx  

181207 (2005 SX173)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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