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46533 (1981 EO23)
Classification: Main-belt Asteroid          SPK-ID: 2046533
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1064198851446487 3.4123e-08  
a 2.210484587896166 8.7351e-09 au
q 1.97524507193824 7.6745e-08 au
i .9754651058675171 3.7482e-06 deg
node 250.3627375760113 0.00033386 deg
peri 170.6341736545172 0.00033512 deg
M 317.7196951533085 3.0457e-05 deg
tp 2458741.482521232650
(2019-Sep-14.98252123)
0.00010195 TDB
period 1200.410163261287
3.29
7.1155e-06
1.948e-08
d
yr
n .299897494221432 1.7776e-09 deg/d
Q 2.445724103854092 9.6647e-09 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      24277 days (66.47 yr)  
   first obs. used      1950-12-09  
   last obs. used      2017-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50543  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 23:54:52  

Additional Information
 Earth MOID = .98757 au 
 Jupiter MOID = 2.80601 au 
 T_jup = 3.650 
[ 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 16.0   n/a MPO347847  
diameter diameter 4.299 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46533 (1981 EO23)          Discovered 1981-Mar-03 by Bus, S. J. at Siding Spring
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EO23 = 1999 VZ162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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