Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
13921 Sgarbini (1985 RP)
Classification: Main-belt Asteroid          SPK-ID: 2013921
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305964937144217 8.559e-08  
a 2.292672929237205 1.1409e-08 AU
q 1.763990590521133 1.9368e-07 AU
i 8.014517183959272 5.6476e-06 deg
node 166.8097460473502 5.241e-05 deg
peri 226.2105106161054 5.3747e-05 deg
M 126.9998509580363 1.3156e-05 deg
tp 2456553.186204873093
(2013-Sep-17.68620487)
4.4998e-05 JED
period 1267.977600216992
3.47
9.4646e-06
2.591e-08
d
yr
n .2839166874386363 2.1192e-09 deg/d
Q 2.821355267953276 1.404e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      12983 days (35.55 yr)  
   first obs. used      1978-09-01  
   last obs. used      2014-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50377  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:53:03  

Additional Information
 Earth MOID = .779572 AU 
 T_jup = 3.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO279662  
rotation period rot_per 3.679 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]

13921 Sgarbini           Discovered 1985 Sept. 14 by E. Bowell at the Lowell Observatory's Anderson Mesa Station.
Bruno Sgarbini (b. 1957) directs the "G. C. Gloriosi" amateur astronomical observatory in Montecorvino Rovella, Campania. An ardent popularizer of astronomy, he is also the principal organizer of an annual international astronomy meeting. The citation is endorsed by A. W. Harris and V. Zappalà.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

[ show close-approach data ]
Alternate Designations
 1985 RP = 1978 RT3 = 1978 SJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Oct-21 03:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin