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58132 (1981 EW39)
Classification: Main-belt Asteroid          SPK-ID: 2058132
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1038353084011049 4.5611e-08  
a 3.129607612395658 2.8453e-08 au
q 2.804643840788109 1.5359e-07 au
i 10.30128335208622 6.1272e-06 deg
node 358.1660441739345 2.5912e-05 deg
peri 276.7110458310747 4.0027e-05 deg
M 298.9302995429675 3.1522e-05 deg
tp 2459343.549309999198
(2021-May-09.04931000)
0.00017785 TDB
period 2022.242628922045
5.54
2.7578e-05
7.55e-08
d
yr
n .1780201815802378 2.4277e-09 deg/d
Q 3.454571384003207 3.1407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      15182 days (41.57 yr)  
   first obs. used      1978-10-26  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:13  

Additional Information
 Earth MOID = 1.81332 au 
 Jupiter MOID = 1.77798 au 
 T_jup = 3.180 
[ show covariance matrix ]

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 14.8   n/a MPO250738  

58132 (1981 EW39)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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