Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
523956 (1998 UB46)
Classification: Main-belt Asteroid          SPK-ID: 2523956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706777530064774 1.8126e-06  
a 2.901800669215696 8.1771e-08 au
q 2.406527851321269 5.1961e-06 au
i 5.377593512734157 1.8938e-05 deg
node 187.8457668923993 0.00011851 deg
peri 184.1166399914743 0.0003628 deg
M 52.86295153140236 0.00015949 deg
tp 2458335.376210513312
(2018-Aug-04.87621051)
0.00080997 TDB
period 1805.509557265459
4.94
7.6317e-05
2.089e-07
d
yr
n .1993896950317114 8.428e-09 deg/d
Q 3.397073487110124 9.5727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      7375 days (20.19 yr)  
   first obs. used      1998-10-24  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56023  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:02  

Additional Information
 Earth MOID = 1.40587 au 
 Jupiter MOID = 2.06372 au 
 T_jup = 3.258 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a E2018V16  

523956 (1998 UB46)          Discovered 1998-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 1998 UB46 = 2003 UO42 = 2008 TP51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-26 03:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin