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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2933672618820688 4.9763e-08  
a 3.044834999416481 1.6243e-08 au
q 2.151580092754977 1.5063e-07 au
i 14.79391181467435 4.9916e-06 deg
node 44.04496515295548 1.6843e-05 deg
peri 144.7105384615541 1.7348e-05 deg
M 143.6019598583298 6.4249e-06 deg
tp 2458226.391318881045
(2018-Apr-17.89131888)
3.1966e-05 TDB
period 1940.635945900419
5.31
1.5528e-05
4.251e-08
d
yr
n .1855062000477203 1.4844e-09 deg/d
Q 3.938089906077985 2.1008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2022  
   data-arc span      31990 days (87.58 yr)  
   first obs. used      1933-03-26  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:05:54  

Additional Information
 Earth MOID = 1.16776 au 
 Jupiter MOID = 1.10992 au 
 T_jup = 3.123 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2925611062930006 5.0017e-08  
q 2.156177125039835 1.5147e-07 au
tp 2458226.898958132647
(2018-Apr-18.39895813)
3.1994e-05 TDB
node 44.0798807005888 1.6827e-05 deg
peri 144.8755783218814 1.7318e-05 deg
i 14.79694981555623 4.9933e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2022  
   data-arc span      31990 days (87.58 yr)  
   first obs. used      1933-03-26  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:05:54  

Additional Information
 Jupiter MOID = 1.10992 au 
 T_jup = 3.123 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.501654806848756E-15 -7.554152166019515E-15 -1.565277683212783E-14 8.539596712000538E-15 -2.44338709679756E-14 1.036531091112178E-16
q -7.554152166019515E-15 2.294218864720092E-14 1.74093855496448E-13 -2.68807389495171E-14 8.555621353850571E-14 1.813011547215218E-15
tp -1.565277683212783E-14 1.74093855496448E-13 1.023621620518591E-9 -2.436437893577652E-12 1.656985789345986E-10 -1.595452353663895E-13
node 8.539596712000538E-15 -2.68807389495171E-14 -2.436437893577652E-12 2.831318908548204E-10 -2.737604989946637E-10 -4.304814762907196E-11
peri -2.44338709679756E-14 8.555621353850571E-14 1.656985789345986E-10 -2.737604989946637E-10 2.999237432756683E-10 4.153746318018638E-11
i 1.036531091112178E-16 1.813011547215218E-15 -1.595452353663895E-13 -4.304814762907196E-11 4.153746318018638E-11 2.493274682084306E-11

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 12.4   n/a MPO358821  
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. 2019-August); 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 2020-Dec-05 03:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin