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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793551509789783 4.4714e-08  
a 2.615166834046331 1.1345e-08 au
q 2.146123191690735 1.1694e-07 au
i 10.94924078582088 5.8604e-06 deg
node 19.35841372292973 1.7099e-05 deg
peri 324.4971488668277 2.1739e-05 deg
M 75.13515875108217 1.2253e-05 deg
tp 2458678.105047184127
(2019-Jul-13.60504718)
5.265e-05 TDB
period 1544.712022213469
4.23
1.0052e-05
2.752e-08
d
yr
n .2330531483040729 1.5165e-09 deg/d
Q 3.084210476401927 1.338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:12  

Additional Information
 Earth MOID = 1.14999 au 
 Jupiter MOID = 2.37211 au 
 T_jup = 3.359 
[ 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 15.0   n/a MPO502606  

74309 (1998 TF32)          Discovered 1998-Oct-11 by LONEOS at Anderson Mesa
Reference: 20040415/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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