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 ]  
226585 (2004 AP12)
Classification: Main-belt Asteroid          SPK-ID: 2226585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06801538633033621 6.4143e-08  
a 2.191127680344974 1.3502e-08 au
q 2.042097284667217 1.433e-07 au
i 3.574267139302691 6.5526e-06 deg
node 90.41564905626362 0.00010136 deg
peri 50.97440847628231 0.00011076 deg
M 353.0931483667648 4.3334e-05 deg
tp 2459023.228856203225
(2020-Jun-22.72885620)
0.00014263 TDB
period 1184.67699433242
3.24
1.095e-05
2.998e-08
d
yr
n .3038802996278868 2.8087e-09 deg/d
Q 2.34015807602273 1.442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1993-12-17  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68023  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:36:12  

Additional Information
 Earth MOID = 1.05723 au 
 Jupiter MOID = 2.65586 au 
 T_jup = 3.667 
[ 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 18.1   n/a MPO454627  

226585 (2004 AP12)          Discovered 2004-Jan-13 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 AP12 = 2006 WY171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-03 21:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin