Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2019-Jan-13 08:32 < 00:01 Iris 0.036926192503095 0.0369253549794732 0.0369270300270751 5.0063560376358 5.00635600653893 2458496.855719311 0.668834607237455 96.8949218135077 41.6596250646341 88.2096663272382 132499.662438745 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 14:49:41 2020-Feb-23 14:49

Alternate Designations
 1998 QZ8 = 2000 BA28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-03 02:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin