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58136 (1981 EV42)
Classification: Main-belt Asteroid          SPK-ID: 2058136
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595988137547999 4.6293e-08  
a 2.36122298514739 1.3163e-08 au
q 1.984374597707299 1.0922e-07 au
i 8.289688153916233 5.5895e-06 deg
node 359.0055936319252 3.4575e-05 deg
peri 287.6885197028315 3.8737e-05 deg
M 93.28837106657154 1.6388e-05 deg
tp 2458257.077346780080
(2018-May-18.57734678)
6.0262e-05 TDB
period 1325.268666883956
3.63
1.1082e-05
3.034e-08
d
yr
n .2716430328398631 2.2715e-09 deg/d
Q 2.738071372587481 1.5264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      764  
   data-arc span      13790 days (37.75 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54088  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:33:16  

Additional Information
 Earth MOID = .986687 au 
 Jupiter MOID = 2.47466 au 
 T_jup = 3.520 
[ 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 15.5   n/a MPO452959  
diameter diameter 2.055 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.200   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58136 (1981 EV42)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 EV42 = 2000 QR54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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