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 ]  
173955 (2001 XU11)
Classification: Main-belt Asteroid          SPK-ID: 2173955
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1923680741987319 6.7527e-08  
a 3.149612250603822 4.1067e-08 au
q 2.543727407482431 2.1248e-07 au
i 16.39687549492941 7.6288e-06 deg
node 284.971892185588 3.5433e-05 deg
peri 162.3131972931627 4.6382e-05 deg
M 167.1104875478799 3.1405e-05 deg
tp 2458448.768602014472
(2018-Nov-26.26860201)
0.00016678 TDB
period 2041.663023555211
5.59
3.9931e-05
1.093e-07
d
yr
n .1763268452465387 3.4486e-09 deg/d
Q 3.755497093725213 4.8967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56113  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:59:15  

Additional Information
 Earth MOID = 1.56504 au 
 Jupiter MOID = 1.47127 au 
 T_jup = 3.117 
[ 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 15.31   n/a MPCxxxxx  

173955 (2001 XU11)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ 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 2021-Jul-25 07:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin