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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ show covariance matrix ]

[ 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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