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 ]  
79850 (1998 XD17)
Classification: Main-belt Asteroid          SPK-ID: 2079850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784229073961549 6.3515e-08  
a 2.693831224335002 2.3435e-08 au
q 2.213190025254608 1.808e-07 au
i 5.875869566500249 5.6468e-06 deg
node 104.5065389929751 5.6294e-05 deg
peri 255.646425010127 5.8494e-05 deg
M 359.5285499328104 1.7138e-05 deg
tp 2459002.614887166681
(2020-Jun-02.11488717)
7.6894e-05 TDB
period 1614.931109340301
4.42
2.1074e-05
5.77e-08
d
yr
n .2229197257504439 2.909e-09 deg/d
Q 3.174472423415397 2.7617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1994-12-31  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57784  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:48:14  

Additional Information
 Earth MOID = 1.21864 au 
 Jupiter MOID = 2.2959 au 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436339  
diameter diameter 4.404 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79850 (1998 XD17)          Discovered 1998-Dec-08 by ODAS at Caussols
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 XD17 = 1994 YJ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-02 11:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin