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100546 (1997 EU32)
Classification: Main-belt Asteroid          SPK-ID: 2100546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041804177800782 4.033e-08  
a 2.257117556619791 9.851e-09 au
q 2.021970106592391 9.1699e-08 au
i 2.638083160499911 4.2751e-06 deg
node 59.1328005301506 8.5078e-05 deg
peri 141.5403277989146 8.7128e-05 deg
M 274.5689492489938 2.186e-05 deg
tp 2459294.429341954850
(2021-Mar-20.92934195)
7.6382e-05 TDB
period 1238.596062831401
3.39
8.1086e-06
2.22e-08
d
yr
n .2906516586021182 1.9028e-09 deg/d
Q 2.49226500664719 1.0877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:37  

Additional Information
 Earth MOID = 1.01963 au 
 Jupiter MOID = 2.46381 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456491.5 (2013-Jul-18.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043080780829768 4.0411e-08  
q 2.022180161150994 9.1902e-08 au
tp 2456817.273082675052
(2014-Jun-08.77308267)
6.7465e-05 TDB
node 59.1597470743806 8.5027e-05 deg
peri 141.4289149595918 8.7065e-05 deg
i 2.639117797603069 4.2759e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      8422 days (23.06 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:05:37  

Additional Information
 Jupiter MOID = 2.46381 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.633040829782664E-15 -3.696494035522216E-15 -7.917126872480153E-14 4.603553646690134E-15 -1.645325655982864E-14 -3.506276407934348E-17
q -3.696494035522216E-15 8.445945366226032E-15 4.559103994781284E-13 -9.022926157064753E-15 1.078587860714633E-13 1.332218510160979E-16
tp -7.917126872480153E-14 4.559103994781284E-13 4.551582470667238E-9 9.882468900214711E-12 1.275273190953178E-9 6.385753283567762E-13
node 4.603553646690134E-15 -9.022926157064753E-15 9.882468900214711E-12 7.229570556858596E-9 -7.218992336922092E-9 -8.291332040747334E-11
peri -1.645325655982864E-14 1.078587860714633E-13 1.275273190953178E-9 -7.218992336922092E-9 7.580243544090107E-9 8.301860356826159E-11
i -3.506276407934348E-17 1.332218510160979E-16 6.385753283567762E-13 -8.291332040747334E-11 8.301860356826159E-11 1.82829674611636E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO253938  

100546 (1997 EU32)          Discovered 1997-Mar-13 by Antonini, P. at Bedoin
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 EU32 = 2002 TA196 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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