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
JPL Small-Body Database Browser
Search: [ help ]  
19911 Rigaux (1933 FK)
Classification: Main-belt Asteroid          SPK-ID: 2019911
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2934159590095607 1.8001e-08  
a 3.044562459336769 1.5412e-08 au
q 2.151239245565964 5.7855e-08 au
i 14.79446854920564 1.3016e-06 deg
node 44.04289377499672 2.9027e-06 deg
peri 144.672727964398 4.0122e-06 deg
M 180.7733077441134 5.5649e-06 deg
tp 2460166.519621717462
(2023-Aug-10.01962172)
3.4512e-05 TDB
period 1940.375395210498
5.31
1.4734e-05
4.034e-08
d
yr
n .1855311095412782 1.4088e-09 deg/d
Q 3.937885673107574 1.9934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      32097 days (87.88 yr)  
   first obs. used      1933-03-26  
   last obs. used      2021-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:28:55  

Additional Information
 Earth MOID = 1.16679 au 
 Jupiter MOID = 1.10924 au 
 T_jup = 3.123 
[ 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 12.46   n/a E2021B10  
diameter diameter 18.341 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.3274 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Noschese, A.; Catapano, A.; Vecchione, A. (2019) Minor Planet Bull. 46, 24.]
geometric albedo albedo 0.076   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19911 Rigaux           Discovered 1933 Mar. 26 by F. Rigaux at Uccle.
Fernand Rigaux (1905-1962) was a Belgian astronomer at the Royal Observatory, Uccle, who discovered several asteroids (including the one that now bears his name). He was also a co-discoverer of comet 49P/Arend-Rigaux. Name suggested by W.A. Fröger.
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 2015-12-25Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 1933 FK = 1949 HG = 1999 TN97 = 2000 VS56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-11 19:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin