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 ]  
181252 (2005 UD255)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181252
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382139032704537 5.2051e-08  
a 3.232636923728788 3.2382e-08 au
q 2.78584155664404 1.8205e-07 au
i 2.168582515559877 5.2784e-06 deg
node 103.1110960957012 0.00017106 deg
peri 178.9747840198029 0.00017284 deg
M 303.9437121334215 2.3659e-05 deg
tp 2459531.064075795835
(2021-Nov-12.56407580)
0.0001403 TDB
period 2122.920939212812
5.81
3.1899e-05
8.733e-08
d
yr
n .1695776763752161 2.548e-09 deg/d
Q 3.679432290813535 3.6858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7871 days (21.55 yr)  
   first obs. used      1999-10-04  
   last obs. used      2021-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:21  

Additional Information
 Earth MOID = 1.76747 au 
 Jupiter MOID = 1.46088 au 
 T_jup = 3.170 
[ 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 16.00   n/a E2021B55  

181252 (2005 UD255)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 UD255 = 1999 TE80 = 1999 UV60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-11 18:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin