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 ]  
146667 (2001 UW163)
Classification: Main-belt Asteroid          SPK-ID: 2146667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08409526152972638 4.6768e-08  
a 2.464599441716103 1.1161e-08 au
q 2.257338307098969 1.1164e-07 au
i 4.944501389671693 3.9057e-06 deg
node 143.8282208343581 4.6002e-05 deg
peri 29.97871614083413 5.0971e-05 deg
M 129.8119512469077 2.1391e-05 deg
tp 2458490.899174607146
(2019-Jan-07.39917461)
8.3491e-05 TDB
period 1413.246587692732
3.87
9.5997e-06
2.628e-08
d
yr
n .2547326157622191 1.7303e-09 deg/d
Q 2.671860576333236 1.2099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      7996 days (21.89 yr)  
   first obs. used      1997-08-10  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:42  

Additional Information
 Earth MOID = 1.26417 au 
 Jupiter MOID = 2.29208 au 
 T_jup = 3.478 
[ 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 15.8   n/a MPO475270  

146667 (2001 UW163)          Discovered 2001-Oct-17 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 UW163 = 2003 AU38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-13 04:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin