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74302 (1998 TG1)
Classification: Main-belt Asteroid          SPK-ID: 2074302
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463567640997848 4.454e-08  
a 2.676507755156693 1.2693e-08 au
q 2.28478274102398 1.1772e-07 au
i 3.86139290362957 5.2337e-06 deg
node 39.13902801765723 7.019e-05 deg
peri 353.6586859324412 7.2724e-05 deg
M 335.4293661452421 1.6899e-05 deg
tp 2459109.660381666011
(2020-Sep-17.16038167)
7.5075e-05 TDB
period 1599.378250966616
4.38
1.1377e-05
3.115e-08
d
yr
n .2250874674470701 1.6011e-09 deg/d
Q 3.068232769289405 1.455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10857 days (29.72 yr)  
   first obs. used      1991-02-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:13  

Additional Information
 Earth MOID = 1.29093 au 
 Jupiter MOID = 2.36281 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457102.5 (2015-Mar-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488472815415557 4.5029e-08  
q 2.278151419168034 1.1946e-07 au
tp 2457505.277591909987
(2016-Apr-26.77759191)
7.2911e-05 TDB
node 39.22658152276414 6.9958e-05 deg
peri 352.768588512514 7.2373e-05 deg
i 3.87038182388095 5.2433e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      10857 days (29.72 yr)  
   first obs. used      1991-02-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:13  

Additional Information
 Jupiter MOID = 2.36281 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.027613671705018E-15 -5.358272886389154E-15 -3.868272764769215E-13 -1.415293514151399E-14 -8.157625967902339E-14 -1.294561957506921E-15
q -5.358272886389154E-15 1.427048644655011E-14 9.567109772175717E-13 3.436177906617868E-14 1.933389885704429E-13 3.579072277740834E-15
tp -3.868272764769215E-13 9.567109772175717E-13 5.315962961366611E-9 -3.597537609252735E-12 1.374220300835319E-9 2.165974560694275E-12
node -1.415293514151399E-14 3.436177906617868E-14 -3.597537609252735E-12 4.894109099892128E-9 -4.882755617634159E-9 -8.163200014747437E-11
peri -8.157625967902339E-14 1.933389885704429E-13 1.374220300835319E-9 -4.882755617634159E-9 5.237815826591239E-9 8.197858465532446E-11
i -1.294561957506921E-15 3.579072277740834E-15 2.165974560694275E-12 -8.163200014747437E-11 8.197858465532446E-11 2.749257086836972E-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 15.9   n/a MPO257338  

74302 (1998 TG1)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 TG1 = 2002 PZ93 = 2002 QK32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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