Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2376035084243978 7.2585e-08  
a 2.968550424125243 2.4488e-08 au
q 2.263212428418351 2.2136e-07 au
i 6.782651785001947 1.0011e-05 deg
node 202.6274769554616 4.3185e-05 deg
peri 217.1920116062701 5.2047e-05 deg
M 147.8867141666092 2.5986e-05 deg
tp 2457833.064771622325
(2017-Mar-20.56477162)		 0.00012837 TDB
period 1868.164315996025
5.11		 2.3116e-05
6.329e-08		 d
yr
n .1927025352735439 2.3845e-09 deg/d
Q 3.673888419832135 3.0307e-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 = 1.27943 au 
 Jupiter MOID = 1.71046 au 
 T_jup = 3.210 
[ 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 16.7   n/a MPO440600  

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

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 00:14 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin