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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1662717799656694 3.7006e-08  
a 3.078892260451589 1.856e-08 au
q 2.56695936398378 1.1846e-07 au
i .788701461019683 4.3005e-06 deg
node 206.3777728045367 0.00028374 deg
peri 153.4232880376105 0.00028399 deg
M 272.4897224963674 1.391e-05 deg
tp 2459480.174603256742
(2021-Sep-22.67460326)
7.8583e-05 TDB
period 1973.286590997942
5.40
1.7843e-05
4.885e-08
d
yr
n .1824367538107775 1.6496e-09 deg/d
Q 3.590825156919398 2.1646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      14343 days (39.27 yr)  
   first obs. used      1981-03-11  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:15:41  

Additional Information
 Earth MOID = 1.56366 au 
 Jupiter MOID = 1.86464 au 
 T_jup = 3.207 
[ 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 14.3   n/a MPO473922  
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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