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JPL Small-Body Database Browser
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58113 (1981 EV4)
Classification: Main-belt Asteroid          SPK-ID: 2058113
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .117419976744926 4.4128e-08  
a 2.233902612462838 1.1024e-08 au
q 1.971597819657022 9.7536e-08 au
i 5.107211826507312 6.4338e-06 deg
node 291.9938034920532 4.3855e-05 deg
peri 276.3026359558489 5.3077e-05 deg
M 124.4114517019079 3.2067e-05 deg
tp 2458179.043614890781
(2018-Mar-01.54361489)
0.00010803 TDB
period 1219.536437874328
3.34
9.0276e-06
2.472e-08
d
yr
n .2951941318190426 2.1852e-09 deg/d
Q 2.496207405268654 1.2319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      14167 days (38.79 yr)  
   first obs. used      1981-02-02  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63468  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:58:43  

Additional Information
 Earth MOID = .974578 au 
 Jupiter MOID = 2.4953 au 
 T_jup = 3.625 
[ 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 17.0   n/a MPO449374  

58113 (1981 EV4)          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 EV4 = 1994 AM6 = 2001 FY107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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