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 ]  
22748 (1998 UW8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2022748
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08578489747278818 5.0707e-08  
a 3.218114858400931 3.3023e-08 au
q 2.942049205217351 1.6061e-07 au
i 1.638009421369054 7.0437e-06 deg
node 344.5442783585914 0.00016837 deg
peri 315.7568018873974 0.00017399 deg
M 107.7713572053389 4.4652e-05 deg
tp 2456969.249712348152
(2014-Nov-07.74971235)
0.00026175 JED
period 2108.631731543301
5.77
3.2457e-05
8.886e-08
d
yr
n .1707268247056669 2.6279e-09 deg/d
Q 3.494180511584511 3.5856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      13838 days (37.89 yr)  
   first obs. used      1978-03-15  
   last obs. used      2016-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55797  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 20:11:31  

Additional Information
 Earth MOID = 1.92639 au 
 Jupiter MOID = 1.67962 au 
 T_jup = 3.183 
[ 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 14.0 mag n/a MPO347697  

22748 (1998 UW8)          Discovered 1998-Oct-17 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UW8 = 1978 EJ9 = 2000 AD134 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 04:14 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin