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66339 (1999 JW64)
Classification: Main-belt Asteroid          SPK-ID: 2066339
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567454978294244 3.6386e-08  
a 2.41101857996859 9.8272e-09 au
q 2.033102272375421 8.6941e-08 au
i 3.927010702827276 4.1041e-06 deg
node 255.8372311709174 4.6857e-05 deg
peri 349.6682729342857 4.8042e-05 deg
M 222.3619771571974 1.1685e-05 deg
tp 2459523.299528549971
(2021-Nov-04.79952855)
4.6051e-05 TDB
period 1367.411609021317
3.74
8.3603e-06
2.289e-08
d
yr
n .2632711303787006 1.6096e-09 deg/d
Q 2.788934887561759 1.1368e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:18  

Additional Information
 Earth MOID = 1.0198 au 
 Jupiter MOID = 2.23715 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457067.5 (2015-Feb-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569275416289098 3.6315e-08  
q 2.032486795563749 8.6779e-08 au
tp 2456789.656209993031
(2014-May-12.15620999)
3.9518e-05 TDB
node 255.8788633800303 4.6899e-05 deg
peri 349.7909996304564 4.8085e-05 deg
i 3.924988062583499 4.1028e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      7562 days (20.70 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:55:18  

Additional Information
 Jupiter MOID = 2.23715 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.318757253737235E-15 -3.137264889293263E-15 2.001402695369845E-13 3.755588290770904E-15 3.686660396045117E-14 2.343627391109544E-16
q -3.137264889293263E-15 7.530586861060017E-15 -4.143090005571509E-13 -9.291160414340641E-15 -6.955710947644626E-14 -5.249274727573849E-16
tp 2.001402695369845E-13 -4.143090005571509E-13 1.56170149984104E-9 5.162017580063192E-13 4.266181609347792E-10 -4.32920151579387E-16
node 3.755588290770904E-15 -9.291160414340641E-15 5.162017580063192E-13 2.199523465373955E-9 -2.194011738176017E-9 1.326562722510357E-12
peri 3.686660396045117E-14 -6.955710947644626E-14 4.266181609347792E-10 -2.194011738176017E-9 2.312183459916702E-9 -1.329531426610191E-12
i 2.343627391109544E-16 -5.249274727573849E-16 -4.32920151579387E-16 1.326562722510357E-12 -1.329531426610191E-12 1.683278324785569E-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 15.1   n/a MPO449421  
diameter diameter 2.838 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66339 (1999 JW64)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JW64 = 2000 UQ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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