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79105 (1981 EY33)
Classification: Main-belt Asteroid          SPK-ID: 2079105
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04914591355982518 4.9357e-08  
a 2.776454739319778 2.3147e-08 au
q 2.640003334698401 1.3868e-07 au
i 3.634826265396454 6.0074e-06 deg
node 216.1802726770273 8.026e-05 deg
peri 218.1262983357391 9.9274e-05 deg
M 267.3964628996299 5.8115e-05 deg
tp 2459435.169731363277
(2021-Aug-08.66973136)
0.00027326 TDB
period 1689.796180476074
4.63
2.1131e-05
5.785e-08
d
yr
n .2130434452151357 2.6642e-09 deg/d
Q 2.912906143941155 2.4285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      14417 days (39.47 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:34:15  

Additional Information
 Earth MOID = 1.65579 au 
 Jupiter MOID = 2.22679 au 
 T_jup = 3.330 
[ 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 15.5   n/a MPO436334  
diameter diameter 6.058 km 0.628 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79105 (1981 EY33)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1981 EY33 = 2002 VK26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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