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21256 Robertobattiston (1996 CK7)
Classification: Outer Main-belt Asteroid          SPK-ID: 2021256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812243745859961 3.2966e-08  
a 3.216610199793254 1.852e-08 au
q 2.633682028048785 1.0675e-07 au
i 2.154881497968697 3.9263e-06 deg
node 78.02431270055398 0.00010437 deg
peri 100.62537322024 0.00010493 deg
M 93.84717525821767 1.0799e-05 deg
tp 2458651.193442726223
(2019-Jun-16.69344273)
6.3113e-05 TDB
period 2107.153039763378
5.77
1.8198e-05
4.982e-08
d
yr
n .1708466320227154 1.4755e-09 deg/d
Q 3.799538371537722 2.1876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      8944 days (24.49 yr)  
   first obs. used      1996-02-14  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50994  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:42:23  

Additional Information
 Earth MOID = 1.63806 au 
 Jupiter MOID = 1.16121 au 
 T_jup = 3.163 
[ 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 13.99   n/a E2021B10  
diameter diameter 7.776 km 0.833 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21256 Robertobattiston           Discovered 1996 Feb. 14 by M.Tombelli and C. Casacci at Cima Ekar.
Roberto Battiston (b. 1956) is an Italian experimental physicist specializing in detectors and technologies for fundamental, elementary and astroparticle physics. He holds the Chair of Experimental Physics at the University of Trento, and since 2014 has been President of the Italian Space Agency ASI.
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 2017-11-04Last Updated: 2017-11-07

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Alternate Designations
 1996 CK7 = 1999 VN227 = 1999 VZ74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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