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 ]  
186161 (2001 UW120)
Classification: Main-belt Asteroid          SPK-ID: 2186161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466372598978765 2.0752e-07  
a 2.600913982752387 4.9751e-08 au
q 2.219523083091504 5.094e-07 au
i 9.900289805292102 1.0651e-05 deg
node 53.01178104505568 5.6374e-05 deg
peri 321.6095889041168 7.9881e-05 deg
M 223.1632501937046 8.7657e-05 deg
tp 2459782.854801327740
(2022-Jul-22.35480133)
0.00038872 TDB
period 1532.101053077929
4.19
4.396e-05
1.204e-07
d
yr
n .2349714460914798 6.7419e-09 deg/d
Q 2.98230488241327 5.7046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      6762 days (18.51 yr)  
   first obs. used      2001-10-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:50:09  

Additional Information
 Earth MOID = 1.22981 au 
 Jupiter MOID = 2.49347 au 
 T_jup = 3.378 
[ 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 16.6   n/a MPO470008  

186161 (2001 UW120)          Discovered 2001-Oct-22 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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-Jun-12 20:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin