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 ]  
48819 (1997 WB16)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048819
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616561335380335 4.2456e-08  
a 3.212653626510964 2.4694e-08 au
q 2.69330846285226 1.384e-07 au
i 14.81056472379057 4.4956e-06 deg
node 229.3959667208652 2.1641e-05 deg
peri 228.914617597734 2.8323e-05 deg
M 221.0701280899512 1.9888e-05 deg
tp 2459412.184809053964
(2021-Jul-16.68480905)
0.00012222 TDB
period 2103.266397946573
5.76
2.425e-05
6.639e-08
d
yr
n .1711623408007038 1.9735e-09 deg/d
Q 3.731998790169669 2.8686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      10152 days (27.79 yr)  
   first obs. used      1992-01-10  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:39  

Additional Information
 Earth MOID = 1.73519 au 
 Jupiter MOID = 1.68714 au 
 T_jup = 3.119 
[ 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 13.8   n/a MPO452835  
diameter diameter 8.444 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48819 (1997 WB16)          Discovered 1997-Nov-25 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WB16 = 2000 JL14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin