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 ]  
20523 (1999 RZ41)
Classification: Main-belt Asteroid          SPK-ID: 2020523
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0834815060787646 3.6458e-08  
a 3.179944138167109 1.8154e-08 au
q 2.91447761226658 1.2218e-07 au
i 8.482437844482043 5.3273e-06 deg
node 203.7766413842865 2.4305e-05 deg
peri 105.1717628057287 4.0742e-05 deg
M 315.6619468164045 3.3705e-05 deg
tp 2459455.594903702129
(2021-Aug-29.09490370)
0.0001946 TDB
period 2071.226829750475
5.67
1.7737e-05
4.856e-08
d
yr
n .1738100312476978 1.4884e-09 deg/d
Q 3.445410664067639 1.967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2204  
   data-arc span      13860 days (37.95 yr)  
   first obs. used      1982-09-16  
   last obs. used      2020-08-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:17  

Additional Information
 Earth MOID = 1.91379 au 
 Jupiter MOID = 1.79457 au 
 T_jup = 3.177 
[ 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 12.73   n/a E2021B10  
diameter diameter 18.286 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.4085 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.039   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20523 (1999 RZ41)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ41 = 1982 SO6 = 1997 EE59 = 1997 GF15 
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-21 12:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin