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39443 (2394 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161671174765744 5.655e-08  
a 3.160720282597738 2.4078e-08 au
q 2.793548518218615 1.7642e-07 au
i 25.04527124008505 6.0199e-06 deg
node 17.27317516197084 1.1742e-05 deg
peri 22.49603811712598 2.5965e-05 deg
M 272.322530289776 2.4139e-05 deg
tp 2459896.376855393860
(2022-Nov-12.87685539)
0.00014053 TDB
period 2052.473326802736
5.62
2.3453e-05
6.421e-08
d
yr
n .1753981380897135 2.0042e-09 deg/d
Q 3.527892046976861 2.6875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      22180 days (60.73 yr)  
   first obs. used      1960-09-28  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56546  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:30:12  

Additional Information
 Earth MOID = 1.8086 au 
 Jupiter MOID = 1.971 au 
 T_jup = 3.049 
[ 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 14.29   n/a MPCxxxxx  
diameter diameter 10.404 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39443 (2394 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2394 T-3 = 2000 XB45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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