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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04914592834241335 5.2028e-08  
a 2.776454748079581 2.5108e-08 au
q 2.640003301984508 1.4338e-07 au
i 3.634824891683281 6.2373e-06 deg
node 216.1802589136114 8.2046e-05 deg
peri 218.1263112970451 0.00010077 deg
M 267.3964608210892 5.8154e-05 deg
tp 2459435.169743176789
(2021-Aug-08.66974318)
0.00027354 TDB
period 1689.796188473114
4.63
2.2921e-05
6.275e-08
d
yr
n .2130434442068975 2.8898e-09 deg/d
Q 2.912906194174653 2.6341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      14357 days (39.31 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:01:58  

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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