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 ]  
49920 (1999 XV173)
Classification: Main-belt Asteroid          SPK-ID: 2049920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333860819897224 3.608e-08  
a 2.375369288226206 9.0692e-09 au
q 2.058528085590997 8.656e-08 au
i 9.403629412154308 4.5115e-06 deg
node 71.97250587039449 2.5072e-05 deg
peri 75.56653796495146 3.2869e-05 deg
M 69.66677435146117 1.9731e-05 deg
tp 2458341.727373189003
(2018-Aug-11.22737319)
7.3057e-05 TDB
period 1337.196196022892
3.66
7.6581e-06
2.097e-08
d
yr
n .2692200299931433 1.5418e-09 deg/d
Q 2.692210490861415 1.0279e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1323  
   data-arc span      8550 days (23.41 yr)  
   first obs. used      1995-12-16  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:41:39  

Additional Information
 Earth MOID = 1.09458 au 
 Jupiter MOID = 2.36693 au 
 T_jup = 3.512 
[ 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 14.6   n/a MPO474380  

49920 (1999 XV173)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XV173 = 1997 HX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 23:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin