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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666085324601192 3.8853e-08  
a 3.07625463464105 1.9854e-08 au
q 2.563724364489865 1.2219e-07 au
i .7890855688368006 4.4923e-06 deg
node 206.3960345576894 0.00029553 deg
peri 153.7070955812703 0.00029578 deg
M 199.1252016901024 1.3684e-05 deg
tp 2459481.178437163326
(2021-Sep-23.67843716)
7.931e-05 TDB
period 1970.751421040269
5.40
1.9079e-05
5.224e-08
d
yr
n .1826714400185349 1.7684e-09 deg/d
Q 3.588784904792235 2.3162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      13931 days (38.14 yr)  
   first obs. used      1981-03-11  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53416  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:21  

Additional Information
 Earth MOID = 1.55963 au 
 Jupiter MOID = 1.86362 au 
 T_jup = 3.208 
[ 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 14.2   n/a MPO435807  
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

[ show close-approach data ]
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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