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39554 (1992 EW19)
Classification: Main-belt Asteroid          SPK-ID: 2039554
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08341339304939666 3.9066e-08  
a 2.794055026754166 1.5035e-08 au
q 2.560993416605878 1.0972e-07 au
i 5.402856636580312 3.5885e-06 deg
node 89.12696331740102 4.3479e-05 deg
peri 290.3065157638292 4.8881e-05 deg
M 145.5835319677858 2.3358e-05 deg
tp 2458310.640562394904
(2018-Jul-11.14056240)
0.00010992 TDB
period 1705.889355622917
4.67
1.3769e-05
3.77e-08
d
yr
n .2110336164613347 1.7034e-09 deg/d
Q 3.027116636902454 1.6289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      10275 days (28.13 yr)  
   first obs. used      1992-03-01  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46555  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:44:16  

Additional Information
 Earth MOID = 1.56973 au 
 Jupiter MOID = 2.39011 au 
 T_jup = 3.316 
[ 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 14.4   n/a MPO267838  
diameter diameter 8.441 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39554 (1992 EW19)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EW19 = 1999 TQ94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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