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 ]  
27734 (1990 RA8)
Classification: Main-belt Asteroid          SPK-ID: 2027734
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904263592957485 7.1922e-08  
a 2.392344576734965 1.9749e-08 AU
q 1.936779108806397 1.757e-07 AU
i 2.532799053680189 8.5893e-06 deg
node 7.067138085246338 0.00014015 deg
peri 353.5079609622613 0.00014149 deg
M 188.0613457551554 2.3147e-05 deg
tp 2457646.013082113222
(2016-Sep-14.51308211)
9.2761e-05 JED
period 1351.555940584708
3.70
1.6735e-05
4.582e-08
d
yr
n .2663596742020588 3.2982e-09 deg/d
Q 2.847910044663533 2.3509e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8981 days (24.59 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5629  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:26:10  

Additional Information
 Earth MOID = .933807 AU 
 T_jup = 3.505 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a PDS3 (MPO 15148)  

27734 (1990 RA8)          Discovered 1990-Sep-14 by Debehogne, H. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 RA8 = 1990 QF7 = 1990 SN14 = 1996 EZ12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-May-22 14:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin