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 ]  
59005 (1998 SW54)
Classification: Main-belt Asteroid          SPK-ID: 2059005
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2381709041158143 3.3639e-08  
a 2.608628880946548 8.7709e-09 au
q 1.987329381868884 8.6873e-08 au
i 3.410973456322306 5.2187e-06 deg
node 167.4115093028547 6.0005e-05 deg
peri 135.0268809833636 6.1041e-05 deg
M 356.5275597613317 1.0644e-05 deg
tp 2458615.343938746301
(2019-May-11.84393875)
4.552e-05 TDB
period 1538.922942189395
4.21
7.7614e-06
2.125e-08
d
yr
n .2339298415343884 1.1798e-09 deg/d
Q 3.229928380024212 1.086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      8256 days (22.60 yr)  
   first obs. used      1997-04-16  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5408  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:09:29  

Additional Information
 Earth MOID = .973051 au 
 Jupiter MOID = 2.02706 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO436194  
diameter diameter 2.564 km 0.804 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59005 (1998 SW54)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-28 20:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin