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 ]  
243629 (1999 RX201)
Classification: Main-belt Asteroid          SPK-ID: 2243629
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749380938426744 7.2739e-08  
a 2.627112464420962 1.7796e-08 au
q 2.167530417584828 1.9009e-07 au
i 11.35864334107763 5.583e-06 deg
node 289.6267284140056 3.9778e-05 deg
peri 32.30145728116626 4.3395e-05 deg
M 244.7639376875817 1.913e-05 deg
tp 2459098.354381136435
(2020-Sep-05.85438114)
8.4743e-05 TDB
period 1555.308066004633
4.26
1.5804e-05
4.327e-08
d
yr
n .231465397671851 2.3519e-09 deg/d
Q 3.086694511257096 2.0909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      7175 days (19.64 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:58:10  

Additional Information
 Earth MOID = 1.1621 au 
 Jupiter MOID = 2.22776 au 
 T_jup = 3.352 
[ 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 15.7   n/a MPO437137  

243629 (1999 RX201)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 16:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin