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 ]  
31148 (1997 UO8)
Classification: Main-belt Asteroid          SPK-ID: 2031148
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08239013861579161 5.6443e-08  
a 2.558031618677572 1.8307e-08 au
q 2.34727503903115 1.4021e-07 au
i 15.33485783538418 7.1748e-06 deg
node 39.58313151197209 2.6741e-05 deg
peri 40.14556301501759 6.3884e-05 deg
M 167.8564589824782 5.7735e-05 deg
tp 2456903.724541494859
(2014-Sep-03.22454149)
0.00023765 JED
period 1494.367071618226
4.09
1.6042e-05
4.392e-08
d
yr
n .2409046658195981 2.5861e-09 deg/d
Q 2.768788198323996 1.9815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      877  
   data-arc span      24164 days (66.16 yr)  
   first obs. used      1950-02-17  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47197  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:57:28  

Additional Information
 Earth MOID = 1.37583 au 
 Jupiter MOID = 2.51235 au 
 T_jup = 3.382 
[ 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 13.0 mag n/a MPO365622  

31148 (1997 UO8)          Discovered 1997-Oct-23 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UO8 = 1999 CL128 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 13:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin