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 ]  
8508 (1991 CU1)
Classification: Main-belt Asteroid          SPK-ID: 2008508
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1324138799963606 4.9716e-08  
a 2.286375016097197 1.0114e-08 AU
q 1.983627229089026 1.1469e-07 AU
i 3.874997877984041 4.5767e-06 deg
node 276.5461223274029 9.134e-05 deg
peri 228.6494929731568 9.3936e-05 deg
M 323.5283473056189 2.1121e-05 deg
tp 2457128.430049640893
(2015-Apr-15.93004964)
7.4104e-05 JED
period 1262.756537430414
3.46
8.3792e-06
2.294e-08
d
yr
n .2850905850248575 1.8918e-09 deg/d
Q 2.589122803105368 1.1454e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      21669 days (59.33 yr)  
   first obs. used      1955-10-25  
   last obs. used      2015-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49797  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:14:06  

Additional Information
 Earth MOID = .998909 AU 
 T_jup = 3.587 
[ 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 13.6 mag n/a MPO267742  

8508 (1991 CU1)          Discovered 1991-Feb-14 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 CU1 = 1967 GD = 1981 JN2 = 1986 VT5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-27 01:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin