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JPL Small-Body Database Browser
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74364 (1998 WZ26)
Classification: Main-belt Asteroid          SPK-ID: 2074364
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1632442526649563 3.6315e-08  
a 3.096342443228627 2.0504e-08 au
q 2.590882335088985 1.1395e-07 au
i 2.881445887349771 3.9424e-06 deg
node 111.7380056392045 0.00012185 deg
peri 16.10419580573835 0.00012339 deg
M 249.8354142563373 1.9866e-05 deg
tp 2459209.491751940525
(2020-Dec-25.99175194)
0.00011224 TDB
period 1990.086280619458
5.45
1.9767e-05
5.412e-08
d
yr
n .1808966794585118 1.7968e-09 deg/d
Q 3.601802551368269 2.3851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      10313 days (28.24 yr)  
   first obs. used      1991-09-08  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:17  

Additional Information
 Earth MOID = 1.60655 au 
 Jupiter MOID = 1.46116 au 
 T_jup = 3.201 
[ 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 14.8   n/a MPO366102  
diameter diameter 6.310 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74364 (1998 WZ26)          Discovered 1998-Nov-16 by Spacewatch at Kitt Peak
Reference: 20040415/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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