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100672 (1997 WF58)
Classification: Main-belt Asteroid          SPK-ID: 2100672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2508107067454042 5.6694e-08  
a 2.547693405736637 1.1111e-08 au
q 1.908704622073225 1.4853e-07 au
i 5.059121929544094 3.8249e-06 deg
node 74.18616292608392 6.6105e-05 deg
peri 281.2672806173104 6.653e-05 deg
M 272.6838288598254 1.152e-05 deg
tp 2459560.756108957667
(2021-Dec-12.25610896)
4.9345e-05 TDB
period 1485.317067059165
4.07
9.717e-06
2.66e-08
d
yr
n .2423724927047244 1.5856e-09 deg/d
Q 3.186682189400049 1.3898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      9658 days (26.44 yr)  
   first obs. used      1993-12-15  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:53  

Additional Information
 Earth MOID = .910547 au 
 Jupiter MOID = 2.27642 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456992.5 (2014-Dec-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2481128155531185 5.6477e-08  
q 1.91820357446996 1.4758e-07 au
tp 2456585.709894574115
(2013-Oct-20.20989457)
3.7532e-05 TDB
node 74.41281605637562 6.6025e-05 deg
peri 280.7477787690128 6.6479e-05 deg
i 5.059145766178929 3.8277e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      483  
   data-arc span      9658 days (26.44 yr)  
   first obs. used      1993-12-15  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:53  

Additional Information
 Jupiter MOID = 2.27642 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.189596436978957E-15 -8.323853068256354E-15 -1.035651496072882E-12 -4.419583226488355E-14 -2.653698941909055E-13 -4.031496222993167E-15
q -8.323853068256354E-15 2.177863791648066E-14 2.798789772303624E-12 1.204208822133433E-13 7.107992816537121E-13 1.078134848604231E-14
tp -1.035651496072882E-12 2.798789772303624E-12 1.408678726297758E-9 2.539672642783485E-11 3.455566180957868E-10 2.106735205457211E-12
node -4.419583226488355E-14 1.204208822133433E-13 2.539672642783485E-11 4.359285179090432E-9 -4.335065174411471E-9 4.41366353931732E-11
peri -2.653698941909055E-13 7.107992816537121E-13 3.455566180957868E-10 -4.335065174411471E-9 4.419437633935752E-9 -4.340175110595766E-11
i -4.031496222993167E-15 1.078134848604231E-14 2.106735205457211E-12 4.41366353931732E-11 -4.340175110595766E-11 1.46509189024631E-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 16.23   n/a E2021B55  

100672 (1997 WF58)          Discovered 1997-Nov-30 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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