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13081 (1992 EW9)
Classification: Main-belt Asteroid          SPK-ID: 2013081
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227101436060802 3.7885e-08  
a 2.589240172105741 9.515e-09 au
q 2.271514138756014 9.6829e-08 au
i 15.14820626216101 3.5989e-06 deg
node 154.579506073662 1.5426e-05 deg
peri 210.6475482744496 2.1233e-05 deg
M 65.99239042031985 1.4332e-05 deg
tp 2458721.535917061170
(2019-Aug-26.03591706)
6.0521e-05 TDB
period 1521.79772877353
4.17
8.3885e-06
2.297e-08
d
yr
n .2365623191527146 1.304e-09 deg/d
Q 2.906966205455468 1.0683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2228  
   data-arc span      17905 days (49.02 yr)  
   first obs. used      1971-01-27  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:32:38  

Additional Information
 Earth MOID = 1.27823 au 
 Jupiter MOID = 2.54763 au 
 T_jup = 3.361 
[ 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 12.7   n/a MPO502268  
diameter diameter 8.940 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13081 (1992 EW9)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 EW9 = 1971 BZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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