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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
59820 (1999 RT23)
Classification: Main-belt Asteroid          SPK-ID: 2059820
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050518576255763 5.3397e-08  
a 2.651214127922936 1.7573e-08 au
q 2.372699158821459 1.4749e-07 au
i 3.470805262977375 5.2073e-06 deg
node 46.84219381414873 7.4773e-05 deg
peri 321.2730238220408 7.7096e-05 deg
M 186.1579595873724 2.0725e-05 deg
tp 2459361.908892941617
(2021-May-27.40889294)
9.3884e-05 TDB
period 1576.760148513947
4.32
1.5677e-05
4.292e-08
d
yr
n .2283162726679071 2.27e-09 deg/d
Q 2.929729097024413 1.9419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      9546 days (26.14 yr)  
   first obs. used      1993-03-18  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:52  

Additional Information
 Earth MOID = 1.37214 au 
 Jupiter MOID = 2.5267 au 
 T_jup = 3.380 
[ 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 15.2   n/a MPO432152  
diameter diameter 5.139 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59820 (1999 RT23)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT23 = 1993 FZ84 = 2001 BJ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-26 06:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin