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
JPL Small-Body Database Browser
Search: [ help ]  
101476 (1998 WY22)
Classification: Main-belt Asteroid          SPK-ID: 2101476
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027115491091044 4.1978e-08  
a 2.364846177296832 8.5747e-09 au
q 1.885464545292247 9.6944e-08 au
i 4.391305598507703 4.8063e-06 deg
node 39.77809728733671 6.1639e-05 deg
peri 16.97332334657538 6.3481e-05 deg
M 26.92076894688729 1.2799e-05 deg
tp 2459101.168331077550
(2020-Sep-08.66833108)		 4.7265e-05 TDB
period 1328.320185899324
3.64		 7.2246e-06
1.978e-08		 d
yr
n .2710189936293607 1.474e-09 deg/d
Q 2.844227809301416 1.0313e-08 au
   Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      8148 days (22.31 yr)  
   first obs. used      1998-11-18  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55068  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:58  

Additional Information
 Earth MOID = .897045 au 
 Jupiter MOID = 2.51388 au 
 T_jup = 3.517 
[ 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 16.21   n/a E2021B55  
diameter diameter 1.856 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101476 (1998 WY22)          Discovered 1998-Nov-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 WY22 = 2003 AF59 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 03:01 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin