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32747 (1981 EY5)
Classification: Main-belt Asteroid          SPK-ID: 2032747
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898895219837216 6.4764e-08  
a 3.1356108557621 2.3135e-08 au
q 2.540191209234466 1.9936e-07 au
i 11.75935111290442 7.3072e-06 deg
node 316.8743743117531 2.5339e-05 deg
peri 60.78943908835055 3.3041e-05 deg
M 94.12309166565461 1.7563e-05 deg
tp 2458070.256505209189
(2017-Nov-12.75650521)
9.8189e-05 TDB
period 2028.064046204154
5.55
2.2445e-05
6.145e-08
d
yr
n .1775091869873624 1.9645e-09 deg/d
Q 3.731030502289733 2.7528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      15647 days (42.84 yr)  
   first obs. used      1976-05-30  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:33:20  

Additional Information
 Earth MOID = 1.56471 au 
 Jupiter MOID = 1.89629 au 
 T_jup = 3.152 
[ 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 14.5   n/a MPO435991  
diameter diameter 7.317 km 1.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

32747 (1981 EY5)          Discovered 1981-Mar-07 by Bus, S. J. at Siding Spring
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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