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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793551491665425 4.4827e-08  
a 2.615166834283849 1.1354e-08 au
q 2.146123196625474 1.1727e-07 au
i 10.9492406924873 5.8885e-06 deg
node 19.35841363287008 1.7102e-05 deg
peri 324.4971483979101 2.1781e-05 deg
M 75.13515915825415 1.2297e-05 deg
tp 2458678.105045393085
(2019-Jul-13.60504539)
5.2842e-05 TDB
period 1544.712022423912
4.23
1.006e-05
2.754e-08
d
yr
n .233053148272323 1.5178e-09 deg/d
Q 3.084210471942223 1.3391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      7821 days (21.41 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:01  

Additional Information
 Earth MOID = 1.14999 au 
 Jupiter MOID = 2.37211 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457450.5 (2016-Mar-03.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814227275975234 4.5078e-08  
q 2.139346422515423 1.1817e-07 au
tp 2457132.906847668593
(2015-Apr-20.40684767)
5.3449e-05 TDB
node 19.39882538484552 1.7075e-05 deg
peri 324.2654585819078 2.1645e-05 deg
i 10.96365596080391 5.8937e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      7821 days (21.41 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:14:01  

Additional Information
 Jupiter MOID = 2.37211 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.031989496806171E-15 -5.31037109889045E-15 1.251562674666565E-12 -2.586529997367346E-15 2.85114963338727E-13 -7.822308178558265E-16
q -5.31037109889045E-15 1.396402005945792E-14 -3.399780330147399E-12 5.864952451561245E-15 -7.701558903356854E-13 2.529200413337032E-15
tp 1.251562674666565E-12 -3.399780330147399E-12 2.856756664784066E-9 -4.428430646101746E-12 7.14697320042256E-10 -2.963838712083568E-12
node -2.586529997367346E-15 5.864952451561245E-15 -4.428430646101746E-12 2.915551568691661E-10 -2.86733757309976E-10 8.43265986251751E-12
peri 2.85114963338727E-13 -7.701558903356854E-13 7.14697320042256E-10 -2.86733757309976E-10 4.684886174383677E-10 -9.052557156213939E-12
i -7.822308178558265E-16 2.529200413337032E-15 -2.963838712083568E-12 8.43265986251751E-12 -9.052557156213939E-12 3.473607770587182E-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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