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11468 Shantanunaidu (1981 EU42)
Classification: Main-belt Asteroid          SPK-ID: 2011468
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655548154033717 3.5216e-08  
a 3.081029077335067 1.8694e-08 au
q 2.570949877184439 1.1461e-07 au
i .788907730984633 3.9584e-06 deg
node 206.128450152172 0.00027491 deg
peri 153.1494643246883 0.00027517 deg
M 345.0745971429105 1.3869e-05 deg
tp 2459478.396564493526
(2021-Sep-20.89656449)
7.6518e-05 TDB
period 1975.341201840009
5.41
1.7978e-05
4.922e-08
d
yr
n .1822469959441254 1.6586e-09 deg/d
Q 3.591108277485695 2.1788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      14728 days (40.32 yr)  
   first obs. used      1981-03-11  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 13:51:47  

Additional Information
 Earth MOID = 1.56667 au 
 Jupiter MOID = 1.86463 au 
 T_jup = 3.206 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.27   n/a E2021B10  
diameter diameter 6.472 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11468 Shantanunaidu           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Shantanu Naidu (b. 1985) is a postdoctoral researcher at the Jet Propulsion Laboratory who combines dynamical theory and radar observations for asteroid physical studies, including spin-orbit coupling interactions in binary asteroid systems.
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

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Alternate Designations
 1981 EU42 = 1995 YB24 = 1998 LF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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