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 ]  
52398 (1993 RT7)
Classification: Main-belt Asteroid          SPK-ID: 2052398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339264910117615 4.5378e-08  
a 2.574446126830809 1.05e-08 au
q 2.229659590765539 1.186e-07 au
i 2.94307416949591 3.8625e-06 deg
node 332.4649977271728 9.2215e-05 deg
peri 94.70039181708458 9.3523e-05 deg
M 116.0509162953871 1.5238e-05 deg
tp 2458514.126155346432
(2019-Jan-30.62615535)
6.324e-05 TDB
period 1508.77381811973
4.13
9.2306e-06
2.527e-08
d
yr
n .2386043525388322 1.4598e-09 deg/d
Q 2.91923266289608 1.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      10549 days (28.88 yr)  
   first obs. used      1991-03-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:27:36  

Additional Information
 Earth MOID = 1.24587 au 
 Jupiter MOID = 2.35797 au 
 T_jup = 3.413 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO365861  

52398 (1993 RT7)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RT7 = 1997 RJ13 = 1999 AO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 09:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin