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 ]  
20522 Yogeshwar (1999 RK40)
Classification: Main-belt Asteroid          SPK-ID: 2020522
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02701624969781286 5.835e-08  
a 2.433332581107885 1.6054e-08 au
q 2.367593060498851 1.396e-07 au
i 11.64397894270971 7.4171e-06 deg
node 166.8462459120254 2.3274e-05 deg
peri 53.90838297674013 0.00012761 deg
M 238.4113063408855 0.00012316 deg
tp 2457868.764598027635
(2017-Apr-25.26459803)
0.00047333 JED
period 1386.438575963037
3.80
1.3721e-05
3.757e-08
d
yr
n .2596580953829415 2.5697e-09 deg/d
Q 2.499072101716919 1.6488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      21826 days (59.76 yr)  
   first obs. used      1956-03-16  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57493  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:45:32  

Additional Information
 Earth MOID = 1.37981 au 
 Jupiter MOID = 2.47587 au 
 T_jup = 3.477 
[ 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 14.4 mag n/a MPO263530  
rotation period rot_per 9.6111 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

20522 Yogeshwar           Discovered 1999 Sept. 13 by A. Knöfel at Drebach.
Ranga Yogeshwar (b. 1959), a physicist and scientific journalist, works as editor and presenter of excellent German public science television programs. His work is a most valuable contribution to the scientific education of the television audience.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 RK40 = 1998 HM122 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-10 20:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin