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11008 Ernst (1981 EO7)
Classification: Main-belt Asteroid          SPK-ID: 2011008
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046912351886114 3.2244e-08  
a 2.596916478172177 1.1409e-08 au
q 2.325042084390673 8.642e-08 au
i 13.29778955612322 3.7239e-06 deg
node 199.585944556012 1.4112e-05 deg
peri 211.3394669617217 2.6191e-05 deg
M 339.4771990045853 2.5635e-05 deg
tp 2459483.640396797403
(2021-Sep-26.14039680)
0.0001092 TDB
period 1528.570240196455
4.18
1.0073e-05
2.758e-08
d
yr
n .2355142017901199 1.552e-09 deg/d
Q 2.868790871953681 1.2603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      24120 days (66.04 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:28:28  

Additional Information
 Earth MOID = 1.34221 au 
 Jupiter MOID = 2.56667 au 
 T_jup = 3.371 
[ 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 13.61   n/a E2021B10  
diameter diameter 5.001 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11008 Ernst           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
Carolyn M. Ernst (b. 1979) is a planetary scientist at the Johns Hopkins University Applied Physics Laboratory specializing in impact physics of asteroids and other solar system objects.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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