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 ]  
227331 (2005 UW)
Classification: Main-belt Asteroid          SPK-ID: 2227331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02173615543414977 7.3841e-08  
a 2.812714128174292 2e-08 au
q 2.751576536692467 2.0245e-07 au
i 4.643616320356893 6.3589e-06 deg
node 223.663465354493 6.1849e-05 deg
peri 173.944297603509 0.00014472 deg
M 81.66233728851901 0.00012804 deg
tp 2458809.653592972356
(2019-Nov-22.15359297)
0.0006137 TDB
period 1723.006115203778
4.72
1.8377e-05
5.031e-08
d
yr
n .2089371574618138 2.2285e-09 deg/d
Q 2.873851719656118 2.0435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      9269 days (25.38 yr)  
   first obs. used      1995-10-20  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53299  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:21  

Additional Information
 Earth MOID = 1.75659 au 
 Jupiter MOID = 2.20941 au 
 T_jup = 3.315 
[ 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 15.9   n/a MPO454633  

227331 (2005 UW)          Discovered 2005-Oct-23 by Young, J. W. at Wrightwood
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 UW = 2003 KH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 09:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin