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47202 (1999 TD212)
Classification: Main-belt Asteroid          SPK-ID: 2047202
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09308118692931303 4.3309e-08  
a 2.199537500273454 8.7779e-09 au
q 1.994801939052466 9.517e-08 au
i 5.131502842374441 4.4266e-06 deg
node 231.9064210127054 5.9185e-05 deg
peri 342.6684472295208 6.658e-05 deg
M 286.7118810593182 3.2566e-05 deg
tp 2459243.064118083344
(2021-Jan-28.56411808)
0.00010815 TDB
period 1191.503940504758
3.26
7.1326e-06
1.953e-08
d
yr
n .3021391602343277 1.8087e-09 deg/d
Q 2.404273061494441 9.595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:17:38  

Additional Information
 Earth MOID = .988286 au 
 Jupiter MOID = 2.56764 au 
 T_jup = 3.655 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456397.5 (2013-Apr-15.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09340040234486456 4.3467e-08  
q 1.994546089620516 9.5648e-08 au
tp 2456859.480953409867
(2014-Jul-20.98095341)
0.00010482 TDB
node 231.9596239443908 5.9157e-05 deg
peri 342.4074729627721 6.6476e-05 deg
i 5.132032799177281 4.4283e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:17:38  

Additional Information
 Jupiter MOID = 2.56764 au 
 T_jup = 3.655 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.88934859335566E-15 -4.143100529014045E-15 -1.610362734630937E-12 6.6394779841853E-15 -4.852053794212903E-13 1.730959593928349E-15
q -4.143100529014045E-15 9.148486810219255E-15 3.668532081126097E-12 -1.3886975333365E-14 1.095447195643144E-12 -3.762840511630099E-15
tp -1.610362734630937E-12 3.668532081126097E-12 1.098731009235674E-8 -3.288501927293983E-11 3.205015031286871E-9 -2.012969841254492E-12
node 6.6394779841853E-15 -1.3886975333365E-14 -3.288501927293983E-11 3.499600431883826E-9 -3.495176615966615E-9 -6.274637449734242E-11
peri -4.852053794212903E-13 1.095447195643144E-12 3.205015031286871E-9 -3.495176615966615E-9 4.419045034558915E-9 6.192469685093154E-11
i 1.730959593928349E-15 -3.762840511630099E-15 -2.012969841254492E-12 -6.274637449734242E-11 6.192469685093154E-11 1.961026993039001E-11

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 16.1   n/a MPO432029  

47202 (1999 TD212)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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