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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025572582944615 5.4288e-08  
a 2.364388601098377 1.0433e-08 au
q 1.885464528517212 1.2964e-07 au
i 4.391563302794459 6.8563e-06 deg
node 39.77935738752281 7.1371e-05 deg
peri 16.96933346171402 7.3197e-05 deg
M 332.7105970545413 1.5804e-05 deg
tp 2459101.162623629605
(2020-Sep-08.66262363)		 5.8479e-05 TDB
period 1327.934677760633
3.64		 8.7895e-06
2.406e-08		 d
yr
n .271097672219154 1.7944e-09 deg/d
Q 2.843312673679541 1.2546e-08 au
   Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      8014 days (21.94 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:24  

Additional Information
 Earth MOID = .897793 au 
 Jupiter MOID = 2.51403 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 16.2   n/a MPO337992  
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 2020-Nov-28 10:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin