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74113 (1998 QZ42)
Classification: Main-belt Asteroid          SPK-ID: 2074113
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771017014666376 3.808e-08  
a 2.686749771638508 1.2518e-08 au
q 2.210921815666229 1.0429e-07 au
i 4.922002023546798 3.7326e-06 deg
node 131.0437710601512 4.8359e-05 deg
peri 212.8516762443391 4.9501e-05 deg
M 334.5284602472328 1.1049e-05 deg
tp 2459114.313022225941
(2020-Sep-21.81302223)
4.96e-05 TDB
period 1608.567381439415
4.40
1.1242e-05
3.078e-08
d
yr
n .2238016287995698 1.5641e-09 deg/d
Q 3.162577727610788 1.4735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8019 days (21.95 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:10:43  

Additional Information
 Earth MOID = 1.20491 au 
 Jupiter MOID = 2.24338 au 
 T_jup = 3.346 
[ 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 15.2   n/a MPO436301  
diameter diameter 5.189 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74113 (1998 QZ42)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QZ42 = 2001 FB174 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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