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JPL Small-Body Database Browser
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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085100814840845 3.7491e-08  
a 2.316961122834274 1.2862e-08 au
q 2.065547482600071 8.7053e-08 au
i 7.911312845583216 7.2259e-06 deg
node 341.9540002545517 3.0086e-05 deg
peri 268.4360593104349 4.4137e-05 deg
M 338.2018244126918 3.3305e-05 deg
tp 2459078.499926356979
(2020-Aug-16.99992636)
0.00011932 TDB
period 1288.179984423178
3.53
1.0727e-05
2.937e-08
d
yr
n .2794640534344283 2.3271e-09 deg/d
Q 2.568374763068477 1.4258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      497  
   data-arc span      14235 days (38.97 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:23:17  

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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