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 ]  
27558 (2000 JW55)
Classification: Outer Main-belt Asteroid          SPK-ID: 2027558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07736292603510557 4.2688e-08  
a 3.319839745385012 2.3312e-08 au
q 3.063007228714388 1.4731e-07 au
i 2.333915164047539 4.6621e-06 deg
node 112.2116086022107 0.00012035 deg
peri 289.1603220619799 0.00012435 deg
M 313.2886399064565 3.2646e-05 deg
tp 2459287.177836958849
(2021-Mar-13.67783696)
0.00020089 TDB
period 2209.398765065091
6.05
2.3272e-05
6.372e-08
d
yr
n .162940255825387 1.7163e-09 deg/d
Q 3.576672262055637 2.5116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1014  
   data-arc span      10567 days (28.93 yr)  
   first obs. used      1990-10-22  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57284  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:00:56  

Additional Information
 Earth MOID = 2.07232 au 
 Jupiter MOID = 1.7662 au 
 T_jup = 3.159 
[ 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 13.9   n/a MPO449165  
diameter diameter 8.404 km 0.222 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27558 (2000 JW55)          Discovered 2000-May-06 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JW55 = 1998 BT21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 15:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin