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58122 (1981 EW19)
Classification: Main-belt Asteroid          SPK-ID: 2058122
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085100711183555 3.455e-08  
a 2.316961118010602 1.0671e-08 au
q 2.065547502316807 8.2652e-08 au
i 7.911303314799915 4.9792e-06 deg
node 341.9540243218914 2.643e-05 deg
peri 268.4360239571295 3.7505e-05 deg
M 338.2018383759552 2.432e-05 deg
tp 2459078.499876148963
(2020-Aug-16.99987615)
8.6884e-05 TDB
period 1288.179980400393
3.53
8.8991e-06
2.436e-08
d
yr
n .2794640543071509 1.9306e-09 deg/d
Q 2.568374733704397 1.1829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      629  
   data-arc span      14379 days (39.37 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:52:16  

Additional Information
 Earth MOID = 1.07015 au 
 Jupiter MOID = 2.50034 au 
 T_jup = 3.560 
[ 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 16.2   n/a MPO432136  

58122 (1981 EW19)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EW19 = 2002 CS81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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