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487950 (2015 TK246)
Classification: Main-belt Asteroid          SPK-ID: 2487950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1937196094390722 2.2117e-07  
a 3.068666697516872 6.6976e-08 au
q 2.474205783375216 7.106e-07 au
i 1.880662743317749 9.366e-06 deg
node 231.7247031333307 0.00026879 deg
peri 177.3086514704301 0.00032579 deg
M 285.8770297955655 0.00016313 deg
tp 2459404.771680845424
(2021-Jul-09.27168085)
0.00089775 TDB
period 1963.464290529004
5.38
6.4281e-05
1.76e-07
d
yr
n .183349400208856 6.0026e-09 deg/d
Q 3.663127611658528 7.995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      4074 days (11.15 yr)  
   first obs. used      2005-12-27  
   last obs. used      2017-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58766  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:11:42  

Additional Information
 Earth MOID = 1.4845 au 
 Jupiter MOID = 1.72511 au 
 T_jup = 3.202 
[ 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 17.4   n/a MPO399185  

487950 (2015 TK246)          Discovered 2005-Dec-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 TK246 = 2005 YK162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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