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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03946872154336802 3.6172e-08  
a 2.683576809173582 1.4951e-08 au
q 2.57765946335207 1.0037e-07 au
i 9.059170308289909 4.6112e-06 deg
node 327.0827118715807 2.8614e-05 deg
peri 296.8748274623683 7.1581e-05 deg
M 32.69044369957123 6.5424e-05 deg
tp 2458854.689839998613
(2020-Jan-06.18984000)
0.00029192 TDB
period 1605.718725720069
4.40
1.3419e-05
3.674e-08
d
yr
n .2241986683181773 1.8736e-09 deg/d
Q 2.789494154995094 1.5541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1274  
   data-arc span      7643 days (20.93 yr)  
   first obs. used      1998-07-31  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:49:26  

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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