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 ]  
508823 (2001 RX143)
Classification: TransNeptunian Object          SPK-ID: 2508823
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2993724944525174 4.9393e-05  
a 39.29097501699573 0.0030282 au
q 27.52833781668618 0.0033864 au
i 19.26972857084686 0.00023698 deg
node 20.57106172065257 0.00010231 deg
peri 239.8963618710959 0.010661 deg
M 104.3227428746228 0.014187 deg
tp 2432532.114643847726
(1947-Dec-12.61464385)
1.7188 TDB
period 89957.55354605129
246.29
10.4
0.02847
d
yr
n .004001887399213319 4.6264e-07 deg/d
Q 51.05361221730529 0.0039347 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      5855 days (16.03 yr)  
   first obs. used      2001-09-12  
   last obs. used      2017-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .27026  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 10:09:26  

Additional Information
 Earth MOID = 26.5565 au 
 Jupiter MOID = 22.4906 au 
 T_jup = 5.082 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.6   n/a MPO428394  

508823 (2001 RX143)          Discovered 2001-Sep-12 by Buie, M. W. at Kitt Peak
Reference: Last Updated: 2018-02-05
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin