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 ]  
226553 (2003 WB16)
Classification: Main-belt Asteroid          SPK-ID: 2226553
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148470516231886 4.6419e-08  
a 3.054779357633786 2.7075e-08 au
q 2.703946955050168 1.505e-07 au
i 1.871646654407573 5.1034e-06 deg
node 113.857863711265 0.00019299 deg
peri 346.2841715053578 0.0001953 deg
M 276.3595496495826 2.9642e-05 deg
tp 2459053.587477774061
(2020-Jul-23.08747777)
0.00016249 TDB
period 1950.150809988408
5.34
2.5927e-05
7.098e-08
d
yr
n .1846011078508026 2.4542e-09 deg/d
Q 3.405611760217405 3.0185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:27:29  

Additional Information
 Earth MOID = 1.72101 au 
 Jupiter MOID = 1.73411 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457271.5 (2015-Sep-06.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133424754086518 4.6806e-08  
q 2.711316173259999 1.5149e-07 au
tp 2457107.904361652867
(2015-Mar-26.40436165)
0.00015784 TDB
node 113.8893794428076 0.00019277 deg
peri 347.2785422502824 0.00019512 deg
i 1.871826932869092 5.1059e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1994-01-18  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 17:27:29  

Additional Information
 Jupiter MOID = 1.73411 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.190755048759914E-15 -7.007944222809105E-15 -2.220486357940828E-13 -2.411725476649462E-14 2.570646564680751E-14 -8.300024470887275E-16
q -7.007944222809105E-15 2.294829130003301E-14 1.204326933685308E-12 8.208960815044899E-14 2.113087570420808E-14 2.86461946166508E-15
tp -2.220486357940828E-13 1.204326933685308E-12 2.491194941520934E-8 6.889368249712662E-11 4.821473884143684E-9 2.502180255678078E-12
node -2.411725476649462E-14 8.208960815044899E-14 6.889368249712662E-11 3.716035111031053E-8 -3.712714247640598E-8 1.011695690428791E-10
peri 2.570646564680751E-14 2.113087570420808E-14 4.821473884143684E-9 -3.712714247640598E-8 3.807086689042723E-8 -1.006222908246722E-10
i -8.300024470887275E-16 2.86461946166508E-15 2.502180255678078E-12 1.011695690428791E-10 -1.006222908246722E-10 2.60706589308167E-11

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 15.8   n/a MPO413100  
diameter diameter 2.898 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226553 (2003 WB16)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2003 WB16 = 2005 CQ66 
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 23:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin