Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
39535 (1990 RX7)
Classification: Main-belt Asteroid          SPK-ID: 2039535
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04777641253900002 5.5296e-08  
a 2.743216111529092 2.5219e-08 AU
q 2.612155086901047 1.5466e-07 AU
i 6.054148314319487 7.896e-06 deg
node 161.320698745737 5.1065e-05 deg
peri 299.3343051862184 0.00010826 deg
M 12.07546001157849 9.0561e-05 deg
tp 2456944.834047533921
(2014-Oct-14.33404753)
0.0004177 JED
period 1659.542813985844
4.54
2.2885e-05
6.266e-08
d
yr
n .2169272145111834 2.9914e-09 deg/d
Q 2.874277136157138 2.6424e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8980 days (24.59 yr)  
   first obs. used      1990-09-14  
   last obs. used      2015-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50191  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:23:22  

Additional Information
 Earth MOID = 1.63529 AU 
 T_jup = 3.339 
[ 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 14.8 mag n/a MPO337578  

39535 (1990 RX7)          Discovered 1990-Sep-14 by Debehogne, H. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 RX7 = 1995 UW74 = 1999 RK77 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Sep-02 00:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin