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 ]  
227040 (2005 AZ81)
Classification: Main-belt Asteroid          SPK-ID: 2227040
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2395465613819106 8.9428e-08  
a 3.11246751635686 3.7907e-08 au
q 2.366886625400679 2.9226e-07 au
i 15.39121286432001 6.7956e-06 deg
node 57.87269111675429 2.6365e-05 deg
peri 103.5689817092368 3.1979e-05 deg
M 300.3038564705464 1.5815e-05 deg
tp 2459533.082538121536
(2021-Nov-14.58253812)
9.1379e-05 TDB
period 2005.652403068204
5.49
3.664e-05
1.003e-07
d
yr
n .1794927174067051 3.2791e-09 deg/d
Q 3.858048407313041 4.6987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      7577 days (20.74 yr)  
   first obs. used      2000-04-07  
   last obs. used      2021-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:10:35  

Additional Information
 Earth MOID = 1.42934 au 
 Jupiter MOID = 1.44809 au 
 T_jup = 3.120 
[ 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 15.7   n/a MPO454632  

227040 (2005 AZ81)          Discovered 2005-Jan-15 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 AZ81 = 2003 UR167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 13:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin