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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749623069015591 6.5798e-08  
a 2.628923386035988 1.6718e-08 au
q 2.168960885747673 1.742e-07 au
i 11.35962111046565 5.4069e-06 deg
node 289.6188133738922 3.6087e-05 deg
peri 32.04641977084571 3.957e-05 deg
M 337.5486824296297 1.7033e-05 deg
tp 2459097.596741092178
(2020-Sep-05.09674109)
7.3972e-05 TDB
period 1556.916500941348
4.26
1.4851e-05
4.066e-08
d
yr
n .2312262730739482 2.2057e-09 deg/d
Q 3.088885886324302 1.9643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:35:20  

Additional Information
 Earth MOID = 1.16421 au 
 Jupiter MOID = 2.22682 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 2020-Aug-07 18:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin