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66021 (1998 QZ34)
Classification: Main-belt Asteroid          SPK-ID: 2066021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1766444447172622 6.0391e-08  
a 2.910635729355874 1.451e-08 au
q 2.396488097169582 1.7459e-07 au
i 12.46466902029862 7.5918e-06 deg
node 174.624641740205 1.6638e-05 deg
peri 150.5221174938515 2.2801e-05 deg
M 226.3816104727597 1.5974e-05 deg
tp 2460069.699745931519
(2023-May-05.19974593)
8.2642e-05 TDB
period 1813.761634104561
4.97
1.3563e-05
3.713e-08
d
yr
n .1984825311280382 1.4842e-09 deg/d
Q 3.424783361542166 1.7073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      10180 days (27.87 yr)  
   first obs. used      1993-08-16  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:30:31  

Additional Information
 Earth MOID = 1.39332 au 
 Jupiter MOID = 2.01764 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457253.5 (2015-Aug-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779850901363787 6.0314e-08  
q 2.393232404082184 1.739e-07 au
tp 2456433.616991986462
(2013-May-21.11699199)
7.2345e-05 TDB
node 174.6982085390179 1.6658e-05 deg
peri 149.329030914446 2.2709e-05 deg
i 12.45234382536763 7.59e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      10180 days (27.87 yr)  
   first obs. used      1993-08-16  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:30:31  

Additional Information
 Jupiter MOID = 2.01764 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.637805233412934E-15 -1.046430083807697E-14 2.791897623542202E-12 1.304808317983006E-14 5.915777581031252E-13 1.016718356977032E-14
q -1.046430083807697E-14 3.024150094080628E-14 -7.927626997020573E-12 -3.795380509802959E-14 -1.667644523734917E-12 -2.990786456034022E-14
tp 2.791897623542202E-12 -7.927626997020573E-12 5.233731764423256E-9 1.155460347869913E-11 1.119076440355076E-9 1.734225510505721E-11
node 1.304808317983006E-14 -3.795380509802959E-14 1.155460347869913E-11 2.775041613116362E-10 -2.685408693666351E-10 2.228490988468274E-12
peri 5.915777581031252E-13 -1.667644523734917E-12 1.119076440355076E-9 -2.685408693666351E-10 5.157177742230855E-10 1.218173143440496E-12
i 1.016718356977032E-14 -2.990786456034022E-14 1.734225510505721E-11 2.228490988468274E-12 1.218173143440496E-12 5.760799666358369E-11

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 15.03   n/a MPCxxxxx  
diameter diameter 6.289 km 0.483 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66021 (1998 QZ34)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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