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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793551485274931 4.4153e-08  
a 2.615166834406466 1.1296e-08 au
q 2.14612319839732 1.1534e-07 au
i 10.949241579357 5.7071e-06 deg
node 19.35841403479377 1.7091e-05 deg
peri 324.4971475007864 2.1513e-05 deg
M 75.13515958543904 1.201e-05 deg
tp 2458678.105043537418
(2019-Jul-13.60504354)
5.1568e-05 TDB
period 1544.712022532553
4.23
1.0009e-05
2.74e-08
d
yr
n .2330531482559322 1.51e-09 deg/d
Q 3.084210470415612 1.3322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:08:56  

Additional Information
 Earth MOID = 1.14999 au 
 Jupiter MOID = 2.37211 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457497.5 (2016-Apr-19.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814111695036797 4.4393e-08  
q 2.139336041824869 1.1619e-07 au
tp 2457132.887860429439
(2015-Apr-20.38786043)
5.2014e-05 TDB
node 19.39880247733563 1.7064e-05 deg
peri 324.2602182642865 2.1384e-05 deg
i 10.96365453536863 5.7122e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8110 days (22.20 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:08:56  

Additional Information
 Jupiter MOID = 2.37211 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.970780618478778E-15 -5.142024235274278E-15 1.155758709805873E-12 -2.559127477548739E-15 2.594116547066158E-13 -4.101831640618017E-16
q -5.142024235274278E-15 1.350113237550405E-14 -3.136549463160522E-12 5.792692622740537E-15 -6.995288461697962E-13 1.495910939739563E-15
tp 1.155758709805873E-12 -3.136549463160522E-12 2.705444052263841E-9 -4.428231406448881E-12 6.741482012115495E-10 -2.480413995045013E-12
node -2.559127477548739E-15 5.792692622740537E-15 -4.428231406448881E-12 2.911781512847756E-10 -2.863649356750491E-10 7.661888181869371E-12
peri 2.594116547066158E-13 -6.995288461697962E-13 6.741482012115495E-10 -2.863649356750491E-10 4.572619593794986E-10 -8.169250721429067E-12
i -4.101831640618017E-16 1.495910939739563E-15 -2.480413995045013E-12 7.661888181869371E-12 -8.169250721429067E-12 3.262916924138465E-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 15.0   n/a MPO502606  

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

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