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 ]  
48826 (1997 WQ54)
Classification: Main-belt Asteroid          SPK-ID: 2048826
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500562303187982 3.6974e-08  
a 3.134882158940591 2.1008e-08 au
q 2.66447355967631 1.2179e-07 au
i 2.713006573730679 4.3623e-06 deg
node 121.2202207710016 0.00014702 deg
peri 332.6375456677842 0.00014894 deg
M 278.959118996534 2.4478e-05 deg
tp 2459056.885575928192
(2020-Jul-26.38557593)
0.00013943 TDB
period 2027.357122723309
5.55
2.0379e-05
5.579e-08
d
yr
n .1775710830445201 1.7849e-09 deg/d
Q 3.605290758204872 2.416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1095  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-09-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:38:53  

Additional Information
 Earth MOID = 1.68165 au 
 Jupiter MOID = 1.57928 au 
 T_jup = 3.193 
[ 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 14.1   n/a MPO365822  
diameter diameter 8.121 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48826 (1997 WQ54)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 WQ54 = 1999 FD41 
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