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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567454993309705 3.6022e-08  
a 2.411018580247347 9.7527e-09 au
q 2.033102268990229 8.6191e-08 au
i 3.927010395670383 4.0819e-06 deg
node 255.8372342366276 4.6629e-05 deg
peri 349.668270348729 4.7813e-05 deg
M 222.3619766047542 1.1664e-05 deg
tp 2459523.299530739020
(2021-Nov-04.79953074)
4.5959e-05 TDB
period 1367.411609258463
3.74
8.2969e-06
2.272e-08
d
yr
n .2632711303330423 1.5974e-09 deg/d
Q 2.788934891504465 1.1281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:18:23  

Additional Information
 Earth MOID = 1.0198 au 
 Jupiter MOID = 2.23715 au 
 T_jup = 3.500 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569550876563005 3.5951e-08  
q 2.032362633842213 8.6033e-08 au
tp 2456789.636124635003
(2014-May-12.13612464)
3.944e-05 TDB
node 255.8764477290546 4.6672e-05 deg
peri 349.781614628799 4.7857e-05 deg
i 3.924985389728743 4.0806e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      7834 days (21.45 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:18:23  

Additional Information
 Jupiter MOID = 2.23715 au 
 T_jup = 3.500 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.292450697897681E-15 -3.079034064144179E-15 1.992281985725348E-13 3.567223814501902E-15 3.810375958973014E-14 2.297569434094195E-16
q -3.079034064144179E-15 7.401663399783586E-15 -4.118498753743114E-13 -8.882017831230857E-15 -7.215401821617395E-14 -5.160970128002099E-16
tp 1.992281985725348E-13 -4.118498753743114E-13 1.555487625600188E-9 6.060227192026329E-13 4.24574454392204E-10 -1.626091069683807E-14
node 3.567223814501902E-15 -8.882017831230857E-15 6.060227192026329E-13 2.178275640864329E-9 -2.172784726018948E-9 2.633297127041521E-12
peri 3.810375958973014E-14 -7.215401821617395E-14 4.24574454392204E-10 -2.172784726018948E-9 2.290290003018308E-9 -2.637497581476595E-12
i 2.297569434094195E-16 -5.160970128002099E-16 -1.626091069683807E-14 2.633297127041521E-12 -2.637497581476595E-12 1.665136096282649E-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

[ 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
2093-Jun-03 16:00 00:01 Hebe 0.0263578750340691 0.0263438201854059 0.0263719320218588 8.72617944221609 8.72617941518752 2485667.166754016 1.03060983968913 794.837174992385 40.2833122788253 28.1902068376638 46438.1520091502 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 22:18:25 2020-Nov-12 22:18

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