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 ]  
7993 (1982 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2007993
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 .1338021802808762 9.0928e-08  
a 2.925077171750839 2.1293e-08 AU
q 2.533695468680758 2.6534e-07 AU
i 2.59430521157157 6.9246e-06 deg
node 42.61784617425214 0.00011233 deg
peri 329.7789445685427 0.00011423 deg
M 131.0579160601981 2.0793e-05 deg
tp 2456135.280185483981
(2012-Jul-26.78018548)
0.00010431 JED
period 1827.277133841867
5.00
1.9953e-05
5.463e-08
d
yr
n .1970144502619024 2.1513e-09 deg/d
Q 3.31645887482092 2.4143e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1399  
   data-arc span      11485 days (31.44 yr)  
   first obs. used      1982-10-16  
   last obs. used      2014-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5467  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:53:45  

Additional Information
 Earth MOID = 1.53303 AU 
 T_jup = 3.263 
[ 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 12.4 mag n/a MPO256923  

7993 (1982 UD2)          Discovered 1982-Oct-16 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 UD2 = 1987 UF 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-23 11:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin