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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08315644503866143 4.1375e-08  
a 2.794863567762539 1.6608e-08 au
q 2.562452649099336 1.1846e-07 au
i 5.402935719121085 3.97e-06 deg
node 89.12830732360695 4.6018e-05 deg
peri 290.4762795982937 5.1742e-05 deg
M 61.03611450053926 2.4043e-05 deg
tp 2458311.149841949722
(2018-Jul-11.64984195)
0.00011397 TDB
period 1706.629882168856
4.67
1.5212e-05
4.165e-08
d
yr
n .2109420465218252 1.8802e-09 deg/d
Q 3.027274486425742 1.7989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      9841 days (26.94 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48306  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:17  

Additional Information
 Earth MOID = 1.57046 au 
 Jupiter MOID = 2.38938 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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