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66282 (1999 JA13)
Classification: Main-belt Asteroid          SPK-ID: 2066282
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088125289854776 3.1112e-08  
a 2.349662950988644 7.7659e-09 au
q 1.859023887929225 7.3862e-08 au
i 3.000027599469953 4.097e-06 deg
node 197.2612543573794 6.5988e-05 deg
peri 71.43134459421458 6.6711e-05 deg
M 283.4638200536403 1.0378e-05 deg
tp 2459280.186215053049
(2021-Mar-06.68621505)
3.8524e-05 TDB
period 1315.548247765487
3.60
6.522e-06
1.786e-08
d
yr
n .2736501687501578 1.3567e-09 deg/d
Q 2.840302014048063 9.3875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      7547 days (20.66 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:48:12  

Additional Information
 Earth MOID = .845721 au 
 Jupiter MOID = 2.26033 au 
 T_jup = 3.527 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO266240  
diameter diameter 2.467 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.167   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66282 (1999 JA13)          Discovered 1999-May-09 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JA13 = 2000 WR44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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