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66009 (1998 QZ8)
Classification: Main-belt Asteroid          SPK-ID: 2066009
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03946873141991857 3.2463e-08  
a 2.683576804971763 1.3266e-08 au
q 2.577659432811609 8.7352e-08 au
i 9.059168338671061 4.4165e-06 deg
node 327.0826896251415 2.4223e-05 deg
peri 296.8748357699677 6.7641e-05 deg
M 32.6904593040873 6.1606e-05 deg
tp 2458854.689770739780
(2020-Jan-06.18977074)
0.0002751 TDB
period 1605.71872194883
4.40
1.1906e-05
3.26e-08
d
yr
n .2241986688447369 1.6624e-09 deg/d
Q 2.789494177131917 1.3789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52305  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:49:48  

Additional Information
 Earth MOID = 1.57599 au 
 Jupiter MOID = 2.29488 au 
 T_jup = 3.356 
[ 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 13.9   n/a MPO436242  
diameter diameter 4.956 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66009 (1998 QZ8)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QZ8 = 2000 BA28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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