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 ]  
172011 (2001 UT100)
Classification: Main-belt Asteroid          SPK-ID: 2172011
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01017552681825672 3.8889e-08  
a 2.833476873310601 2.2671e-08 au
q 2.804644753397318 1.1125e-07 au
i 2.868482935632343 5.4092e-06 deg
node 45.59500327453803 8.5262e-05 deg
peri 67.70724457570439 0.00028026 deg
M 214.5256145769781 0.00026591 deg
tp 2459704.482665912625
(2022-May-04.98266591)
0.0012858 TDB
period 1742.119473415134
4.77
2.0909e-05
5.725e-08
d
yr
n .206644840089113 2.4801e-09 deg/d
Q 2.862308993223883 2.2902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      6157 days (16.86 yr)  
   first obs. used      2001-08-24  
   last obs. used      2018-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5254  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:15:01  

Additional Information
 Earth MOID = 1.8226 au 
 Jupiter MOID = 2.11477 au 
 T_jup = 3.310 
[ 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 15.1   n/a MPO439988  

172011 (2001 UT100)          Discovered 2001-Oct-20 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 01:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin