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 ]  
173993 (2001 XG198)
Classification: Outer Main-belt Asteroid          SPK-ID: 2173993
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 .05676016988112698 5.5686e-08  
a 3.252678120108779 3.6938e-08 au
q 3.06805555744278 1.7492e-07 au
i 6.299631194732909 5.4023e-06 deg
node 122.7962744200516 5.6212e-05 deg
peri 90.68554118564693 7.3887e-05 deg
M 251.0014641870673 4.9265e-05 deg
tp 2459249.251272387898
(2021-Feb-03.75127239)
0.00029615 TDB
period 2142.693535447771
5.87
3.6499e-05
9.993e-08
d
yr
n .1680128278002989 2.862e-09 deg/d
Q 3.437300682774779 3.9035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      6292 days (17.23 yr)  
   first obs. used      2001-12-14  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:33:20  

Additional Information
 Earth MOID = 2.07052 au 
 Jupiter MOID = 1.56537 au 
 T_jup = 3.169 
[ 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 14.8   n/a MPO436864  
diameter diameter 7.711 km 0.535 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173993 (2001 XG198)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 XG198 = 2003 FF88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 02:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin