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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173257013185445 3.4379e-08  
a 2.359536733923847 9.649e-09 au
q 2.082702431829364 8.1463e-08 au
i 2.05258712730169 3.7564e-06 deg
node 248.261889505311 0.00011901 deg
peri 341.6629727506609 0.00012031 deg
M 296.7044179535108 1.788e-05 deg
tp 2459233.260584111337
(2021-Jan-18.76058411)
6.6025e-05 TDB
period 1323.849273058844
3.62
8.1206e-06
2.223e-08
d
yr
n .271934280832587 1.6681e-09 deg/d
Q 2.63637103601833 1.0781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      21757 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:59:39  

Additional Information
 Earth MOID = 1.07236 au 
 Jupiter MOID = 2.351 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 16.1   n/a MPO453060  
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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