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 ]  
48815 (1997 WA3)
Classification: Main-belt Asteroid          SPK-ID: 2048815
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115274541610814 3.5291e-08  
a 3.124259361363463 1.9746e-08 au
q 2.77581866865167 1.1441e-07 au
i 2.358364622991842 4.6801e-06 deg
node 64.34089460398451 0.00010525 deg
peri 47.22855806932023 0.00010797 deg
M 358.4638811522619 2.3164e-05 deg
tp 2459009.106793112472
(2020-Jun-08.60679311)
0.0001298 TDB
period 2017.061065979523
5.52
1.9122e-05
5.235e-08
d
yr
n .1784774918676927 1.692e-09 deg/d
Q 3.472700054075256 2.1948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      8180 days (22.40 yr)  
   first obs. used      1997-11-23  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:35:39  

Additional Information
 Earth MOID = 1.79314 au 
 Jupiter MOID = 1.62821 au 
 T_jup = 3.204 
[ 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 14.5   n/a MPO337647  
diameter diameter 6.631 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48815 (1997 WA3)          Discovered 1997-Nov-23 by Kobayashi, T. at Oizumi
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 09:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin