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 ]  
39849 Giampieri (1998 CF2)
Classification: Main-belt Asteroid          SPK-ID: 2039849
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08499008468179531 5.1509e-08  
a 2.312918531867326 9.0473e-09 au
q 2.116343389981828 1.2067e-07 au
i 6.335087019557606 5.272e-06 deg
node 304.4558126185618 3.9574e-05 deg
peri 64.93672177717599 4.8585e-05 deg
M 254.7091316437512 2.7448e-05 deg
tp 2459376.274354366413
(2021-Jun-10.77435437)		 9.8621e-05 TDB
period 1284.81006647411
3.52		 7.5385e-06
2.064e-08		 d
yr
n .2801970574436298 1.644e-09 deg/d
Q 2.509493673752823 9.8162e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1142  
   data-arc span      8609 days (23.57 yr)  
   first obs. used      1996-10-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54411  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:46:44  

Additional Information
 Earth MOID = 1.12349 au 
 Jupiter MOID = 2.86482 au 
 T_jup = 3.570 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO365720  
diameter diameter 2.077 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.283   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39849 Giampieri           Discovered 1998 Feb. 13 by L. Tesi and A. Boattini at San Marcello Pistoiese.
Giuliano Giampieri (b. 1932) is a friend of the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051215/MPCPages.arcLast Updated: 2006-03-22

Alternate Designations
 1998 CF2 = 1996 TS56 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-30 19:37 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin