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JPL Small-Body Database Browser
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58125 (1981 EO31)
Classification: Main-belt Asteroid          SPK-ID: 2058125
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292539398575515 5.4642e-08  
a 2.670238516681947 1.601e-08 au
q 2.325099668041422 1.4359e-07 au
i 3.338509938982934 5.9952e-06 deg
node 175.4329221776268 7.5008e-05 deg
peri 33.72348577520472 7.6906e-05 deg
M 243.3981281933097 1.7432e-05 deg
tp 2459116.710141413069
(2020-Sep-24.21014141)
7.8783e-05 TDB
period 1593.762158610922
4.36
1.4333e-05
3.924e-08
d
yr
n .2258806297131348 2.0314e-09 deg/d
Q 3.015377365322474 1.8079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      13860 days (37.95 yr)  
   first obs. used      1981-02-12  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:13  

Additional Information
 Earth MOID = 1.32126 au 
 Jupiter MOID = 1.94646 au 
 T_jup = 3.367 
[ 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 15.8   n/a MPO426326  

58125 (1981 EO31)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EO31 = 2001 XW166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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