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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03946872059904237 3.5866e-08  
a 2.683576809652887 1.481e-08 au
q 2.577659466346628 9.931e-08 au
i 9.059170285837293 4.5897e-06 deg
node 327.0827120442942 2.8345e-05 deg
peri 296.8748279852344 7.122e-05 deg
M 32.69044279128272 6.5016e-05 deg
tp 2458854.689844010816
(2020-Jan-06.18984401)
0.00029012 TDB
period 1605.718726150258
4.40
1.3292e-05
3.639e-08
d
yr
n .2241986682581121 1.8559e-09 deg/d
Q 2.789494152959147 1.5394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      7991 days (21.88 yr)  
   first obs. used      1998-07-31  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:11:17  

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 24 CATAB v2.0f-lin.ifort 2020-Jun-23 23:11:30 2020-Jun-23 23:11

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