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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322962876053569 7.099e-08  
a 2.285920310834182 1.206e-08 AU
q 1.983501539949136 1.5942e-07 AU
i 3.875245459029609 5.1229e-06 deg
node 276.544747790289 0.00012796 deg
peri 228.7189079466611 0.00013063 deg
M 266.4263114677434 3.1692e-05 deg
tp 2457128.626499027594
(2015-Apr-16.12649903)
0.00011227 JED
period 1262.379858086001
3.46
9.9904e-06
2.735e-08
d
yr
n .2851756527118755 2.2569e-09 deg/d
Q 2.588339081719227 1.3656e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      991  
   data-arc span      21233 days (58.13 yr)  
   first obs. used      1955-10-25  
   last obs. used      2013-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54309  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-19 23:33:12  

Additional Information
 Earth MOID = .99845 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 (399)
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 2014-Apr-21 02:04 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin