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66384 (1999 JO131)
Classification: Main-belt Asteroid          SPK-ID: 2066384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1172274734374075 3.4118e-08  
a 2.359161863899935 9.5668e-09 au
q 2.082603279165061 8.0948e-08 au
i 2.052632047404472 3.7215e-06 deg
node 248.2573307006902 0.00011896 deg
peri 341.7252876641646 0.00012026 deg
M 351.0420635990375 1.7962e-05 deg
tp 2459233.433698825852
(2021-Jan-18.93369883)
6.6078e-05 TDB
period 1323.533796916992
3.62
8.0507e-06
2.204e-08
d
yr
n .2719990988054671 1.6545e-09 deg/d
Q 2.635720448634809 1.0688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      21789 days (59.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56898  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:46  

Additional Information
 Earth MOID = 1.07096 au 
 Jupiter MOID = 2.35057 au 
 T_jup = 3.542 
[ 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 16.17   n/a E2021B10  
diameter diameter 2.815 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66384 (1999 JO131)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JO131 = 2002 AT157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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