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47214 (1999 TD293)
Classification: Main-belt Asteroid          SPK-ID: 2047214
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1467811323311831 3.2757e-08  
a 2.277906676055736 8.6937e-09 au
q 1.943552954799514 7.3646e-08 au
i 9.667159280861783 3.516e-06 deg
node 237.3150957059634 2.5042e-05 deg
peri 347.4542325770935 2.9053e-05 deg
M 166.8350034836762 1.5913e-05 deg
tp 2458418.548231932500
(2018-Oct-27.04823193)
5.4704e-05 TDB
period 1255.7474878154
3.44
7.1889e-06
1.968e-08
d
yr
n .2866818396955627 1.6412e-09 deg/d
Q 2.612260397311958 9.9698e-09 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      10741 days (29.41 yr)  
   first obs. used      1991-06-03  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:20  

Additional Information
 Earth MOID = .934982 au 
 Jupiter MOID = 2.38243 au 
 T_jup = 3.575 
[ 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 15.3   n/a MPO395449  

47214 (1999 TD293)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TD293 = 1998 MQ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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