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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777816310784174 3.8288e-08  
a 2.685441705809951 1.64e-08 au
q 2.20801949918505 1.0569e-07 au
i 4.919639200726489 3.8626e-06 deg
node 131.082871570909 5.557e-05 deg
peri 213.0836627726992 5.7062e-05 deg
M 244.7924946015053 1.5863e-05 deg
tp 2459114.899210141296
(2020-Sep-22.39921014)
7.368e-05 TDB
period 1607.392808396718
4.40
1.4724e-05
4.031e-08
d
yr
n .2239651677669749 2.0516e-09 deg/d
Q 3.162863912434852 1.9315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      7572 days (20.73 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:03  

Additional Information
 Earth MOID = 1.20119 au 
 Jupiter MOID = 2.24079 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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