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 ]  
58760 (1998 FB21)
Classification: Main-belt Asteroid          SPK-ID: 2058760
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218471830957935 4.8362e-08  
a 2.617535679030266 1.2095e-08 au
q 2.298596329887693 1.2824e-07 au
i 5.046742585326851 5.0317e-06 deg
node 152.8943084279624 4.1711e-05 deg
peri 19.81385722260525 4.4322e-05 deg
M 349.9344570662905 1.4768e-05 deg
tp 2458643.748599351223
(2019-Jun-09.24859935)
6.3547e-05 TDB
period 1546.811321453695
4.23
1.0721e-05
2.935e-08
d
yr
n .2327368535560443 1.6131e-09 deg/d
Q 2.936475028172838 1.3568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1188  
   data-arc span      10575 days (28.95 yr)  
   first obs. used      1990-05-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:13:38  

Additional Information
 Earth MOID = 1.30536 au 
 Jupiter MOID = 2.02963 au 
 T_jup = 3.390 
[ 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 14.6   n/a MPO474467  
diameter diameter 4.112 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.087   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58760 (1998 FB21)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FB21 = 2000 SL73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-22 03:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin