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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2088225588089973 2.9267e-08  
a 2.349430978439234 7.4585e-09 au
q 1.858816789776427 7.0109e-08 au
i 3.000210402822552 3.7377e-06 deg
node 197.2598674856702 6.365e-05 deg
peri 71.46684165859959 6.4305e-05 deg
M 338.1704199544407 1.0369e-05 deg
tp 2459280.260036356603
(2021-Mar-06.76003636)
3.8078e-05 TDB
period 1315.353434580527
3.60
6.2636e-06
1.715e-08
d
yr
n .2736906982835422 1.3033e-09 deg/d
Q 2.840045167102041 9.016e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      7653 days (20.95 yr)  
   first obs. used      1999-05-09  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50171  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:49  

Additional Information
 Earth MOID = .843739 au 
 Jupiter MOID = 2.25977 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 15.43   n/a E2021B10  
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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