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74309 (1998 TF32)
Classification: Main-belt Asteroid          SPK-ID: 2074309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794144266213872 4.0109e-08  
a 2.6155356636258 1.0909e-08 au
q 2.146270832228588 1.036e-07 au
i 10.94897436309999 4.2903e-06 deg
node 19.34967249354541 1.6888e-05 deg
peri 324.5531899830596 1.9532e-05 deg
M 121.6802998819419 9.9697e-06 deg
tp 2458678.275591474792
(2019-Jul-13.77559147)
4.2189e-05 TDB
period 1545.038821004545
4.23
9.6662e-06
2.646e-08
d
yr
n .2330038540817617 1.4577e-09 deg/d
Q 3.084800495023013 1.2866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50894  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:03  

Additional Information
 Earth MOID = 1.14838 au 
 Jupiter MOID = 2.37224 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457804.5 (2017-Feb-20.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811286721673785 4.0266e-08  
q 2.14042249295336 1.0414e-07 au
tp 2457132.683837209690
(2015-Apr-20.18383721)
4.1304e-05 TDB
node 19.39776338698845 1.686e-05 deg
peri 324.2672977041912 1.9455e-05 deg
i 10.96365018388694 4.2948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50894  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:03  

Additional Information
 Jupiter MOID = 2.37224 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.621339039249834E-15 -4.178661259872002E-15 5.64436050884294E-13 -1.431573567122406E-15 9.919135263775258E-14 2.731728454631357E-15
q -4.178661259872002E-15 1.084597267126099E-14 -1.504627931400883E-12 2.861651773283647E-15 -2.573584366890429E-13 -6.920173542308543E-15
tp 5.64436050884294E-13 -1.504627931400883E-12 1.706003761652763E-9 -4.889659260481645E-12 4.054994114902934E-10 -5.635967248060671E-13
node -1.431573567122406E-15 2.861651773283647E-15 -4.889659260481645E-12 2.842599131099971E-10 -2.797380192739498E-10 -2.123453218248417E-12
peri 9.919135263775258E-14 -2.573584366890429E-13 4.054994114902934E-10 -2.797380192739498E-10 3.784905513101189E-10 1.894313068723944E-12
i 2.731728454631357E-15 -6.920173542308543E-15 -5.635967248060671E-13 -2.123453218248417E-12 1.894313068723944E-12 1.844495296042937E-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 15.07   n/a E2021B10  

74309 (1998 TF32)          Discovered 1998-Oct-11 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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