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 ]  
181255 (2005 UC317)
Classification: Main-belt Asteroid          SPK-ID: 2181255
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0203626553226588 7.6022e-08  
a 2.926205203430155 2.1046e-08 au
q 2.866619895469336 2.2385e-07 au
i 10.05535295211087 7.3083e-06 deg
node 199.200525941346 2.7419e-05 deg
peri 175.1251151901282 0.00013032 deg
M 356.5686630564003 0.00012481 deg
tp 2459217.926752353504
(2021-Jan-03.42675235)
0.00063383 TDB
period 1828.334247082184
5.01
1.9725e-05
5.4e-08
d
yr
n .1969005396986462 2.1242e-09 deg/d
Q 2.985790511390974 2.1474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      478  
   data-arc span      22008 days (60.25 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5117  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:52  

Additional Information
 Earth MOID = 1.86579 au 
 Jupiter MOID = 2.0898 au 
 T_jup = 3.255 
[ 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 15.60   n/a E2021B55  
diameter diameter 3.168 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181255 (2005 UC317)          Discovered 2005-Oct-27 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 UC317 = 2000 SJ368 = 6018 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-10 09:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin