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357116 Attivissimo (2001 WH)
Classification: Main-belt Asteroid          SPK-ID: 2357116
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2351551567010766 7.3432e-08  
a 2.974442503972145 2.5896e-08 au
q 2.274987010852232 2.2598e-07 au
i 6.767684570457605 9.9924e-06 deg
node 202.4880471663047 4.3296e-05 deg
peri 217.3085251904249 5.2425e-05 deg
M 224.8489427446755 2.7162e-05 deg
tp 2459703.934624164700
(2022-May-04.43462416)
0.00014866 TDB
period 1873.729069102902
5.13
2.447e-05
6.7e-08
d
yr
n .1921302315987229 2.5091e-09 deg/d
Q 3.673897997092057 3.1986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6404 days (17.53 yr)  
   first obs. used      2001-10-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6478  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:47:51  

Additional Information
 Earth MOID = 1.29156 au 
 Jupiter MOID = 1.71149 au 
 T_jup = 3.209 
[ 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 16.6   n/a MPO476670  

357116 Attivissimo           Discovered 2001 Nov. 16 at Cavezzo.
Paolo Attivissimo (b. 1963) is an Italian writer, blogger and journalist. He is the author of eleven books on computers, the author of the Disinformatico.info blog, and a consultant and speaker for Swiss and Italian TV on information and space technology, conspiracism, hoaxes and misinformation in the media.
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 2013-11-17Last Updated: 2014-11-10

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