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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040701739805844 4.0323e-08  
a 2.25698086740866 9.8044e-09 au
q 2.02209647586659 9.1684e-08 au
i 2.638020515541037 4.2638e-06 deg
node 59.12803241126416 8.5083e-05 deg
peri 141.5479973492767 8.711e-05 deg
M 332.6882374536188 2.189e-05 deg
tp 2459294.458801914144
(2021-Mar-20.95880191)
7.568e-05 TDB
period 1238.483551973244
3.39
8.07e-06
2.209e-08
d
yr
n .2906780630444555 1.8941e-09 deg/d
Q 2.49186525895073 1.0825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57805  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:34  

Additional Information
 Earth MOID = 1.01892 au 
 Jupiter MOID = 2.4631 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456514.5 (2013-Aug-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .104265699674929 4.0396e-08  
q 2.02220943669031 9.1863e-08 au
tp 2456817.340545303805
(2014-Jun-08.84054530)
6.6976e-05 TDB
node 59.15740143191361 8.5034e-05 deg
peri 141.4498831449921 8.7048e-05 deg
i 2.638981093762572 4.2645e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      816  
   data-arc span      8683 days (23.77 yr)  
   first obs. used      1997-03-13  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57805  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:34  

Additional Information
 Jupiter MOID = 2.4631 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.63180059829125E-15 -3.693881197416075E-15 -8.754366412920699E-14 4.527058981399326E-15 -1.863366398063489E-14 -3.826620913987158E-17
q -3.693881197416075E-15 8.438839206561048E-15 4.639835682832989E-13 -8.96501392052284E-15 1.100513545289936E-13 1.373693683353622E-16
tp -8.754366412920699E-14 4.639835682832989E-13 4.48576328550541E-9 9.768060341413607E-12 1.25861538423538E-9 6.16203445880693E-13
node 4.527058981399326E-15 -8.96501392052284E-15 9.768060341413607E-12 7.230800765356595E-9 -7.220249534263941E-9 -8.293739474806341E-11
peri -1.863366398063489E-14 1.100513545289936E-13 1.25861538423538E-9 -7.220249534263941E-9 7.577270236111045E-9 8.303701359061266E-11
i -3.826620913987158E-17 1.373693683353622E-16 6.16203445880693E-13 -8.293739474806341E-11 8.303701359061266E-11 1.818561543707742E-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 15.93   n/a E2021B55  

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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