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 ]  
71176 (1999 XT212)
Classification: Main-belt Asteroid          SPK-ID: 2071176
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 .1570083982805746 4.7199e-08  
a 2.648610013852993 1.5295e-08 au
q 2.232755997908044 1.2648e-07 au
i 6.84283537177147 3.7904e-06 deg
node 118.5026127290659 4.7874e-05 deg
peri 242.390700751022 4.9566e-05 deg
M 228.996586624554 1.5017e-05 deg
tp 2459173.435275861768
(2020-Nov-19.93527586)
6.7444e-05 TDB
period 1574.437596668723
4.31
1.3638e-05
3.734e-08
d
yr
n .2286530763503785 1.9807e-09 deg/d
Q 3.064464029797942 1.7697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      1999-10-20  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56181  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:33  

Additional Information
 Earth MOID = 1.23808 au 
 Jupiter MOID = 2.39753 au 
 T_jup = 3.364 
[ 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 15.2   n/a MPO436281  

71176 (1999 XT212)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XT212 = 2002 LR27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-22 07:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin