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 ]  
58689 (1998 BY9)
Classification: Main-belt Asteroid          SPK-ID: 2058689
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09525609096086565 3.6597e-08  
a 2.657983784262326 1.493e-08 au
q 2.404794639136127 9.7885e-08 au
i 6.772010496360566 4.3741e-06 deg
node 103.308102442154 4.4105e-05 deg
peri 321.0751198607966 5.4463e-05 deg
M 335.7715688332645 3.1015e-05 deg
tp 2458707.024550539654
(2019-Aug-11.52455054)
0.00013648 TDB
period 1582.803192264738
4.33
1.3336e-05
3.651e-08
d
yr
n .2274445753959452 1.9164e-09 deg/d
Q 2.911172929388524 1.6352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      10410 days (28.50 yr)  
   first obs. used      1991-06-07  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:03:10  

Additional Information
 Earth MOID = 1.42272 au 
 Jupiter MOID = 2.33748 au 
 T_jup = 3.371 
[ 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 15.5   n/a MPO313842  

58689 (1998 BY9)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BY9 = 2001 TD142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 12:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin