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102477 (1999 TQ247)
Classification: Main-belt Asteroid          SPK-ID: 2102477
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452442798424601 3.8965e-08  
a 2.580911228048649 1.1346e-08 au
q 2.206048635393404 1.0157e-07 au
i 10.85854316437944 3.529e-06 deg
node 204.3965094511023 2.3604e-05 deg
peri 249.789769172944 2.663e-05 deg
M 355.6507103712943 1.2948e-05 deg
tp 2459218.796745860861
(2021-Jan-04.29674586)		 5.448e-05 TDB
period 1514.460767670262
4.15		 9.9863e-06
2.734e-08		 d
yr
n .2377083696620272 1.5674e-09 deg/d
Q 2.955773820703894 1.2993e-08 au
   Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7774 days (21.28 yr)  
   first obs. used      1999-10-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:31:33  

Additional Information
 Earth MOID = 1.24897 au 
 Jupiter MOID = 2.33477 au 
 T_jup = 3.385 
[ 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 15.49   n/a E2021B55  

102477 (1999 TQ247)          Discovered 1999-Oct-08 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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