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 ]  
193970 (2001 RW98)
Classification: Main-belt Asteroid          SPK-ID: 2193970
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762358938169855 6.5304e-08  
a 2.252359079836491 9.3544e-09 au
q 1.855412564204704 1.4664e-07 au
i 6.535495722020835 6.1959e-06 deg
node 162.8005585072468 4.1655e-05 deg
peri 195.9015417497334 4.4005e-05 deg
M 63.22077440587631 1.2373e-05 deg
tp 2458383.673589457228
(2018-Sep-22.17358946)
4.2408e-05 TDB
period 1234.681297863735
3.38
7.6917e-06
2.106e-08
d
yr
n .2915732186296802 1.8164e-09 deg/d
Q 2.649305595468278 1.1003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      9875 days (27.04 yr)  
   first obs. used      1991-10-02  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52652  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:55  

Additional Information
 Earth MOID = .851373 au 
 Jupiter MOID = 2.79285 au 
 T_jup = 3.597 
[ 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 17.2   n/a MPO459867  

193970 (2001 RW98)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ 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-Oct-20 15:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin