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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02703918512113182 5.1017e-08  
a 2.433954667291106 1.464e-08 au
q 2.368142516465779 1.249e-07 au
i 11.64400168856238 6.5486e-06 deg
node 166.8456629545246 2.2899e-05 deg
peri 53.35113639634241 0.00011198 deg
M 290.8964211854806 0.00010895 deg
tp 2457866.735027649124
(2017-Apr-23.23502765)
0.00041966 JED
period 1386.970278499478
3.80
1.2514e-05
3.426e-08
d
yr
n .2595585540516941 2.3418e-09 deg/d
Q 2.499766818116433 1.5036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      833  
   data-arc span      21901 days (59.96 yr)  
   first obs. used      1956-03-16  
   last obs. used      2016-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56983  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:38:24  

Additional Information
 Earth MOID = 1.37999 au 
 Jupiter MOID = 2.47505 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. 2016-February); 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. (2016) 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 ]
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