Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
56087 (1999 AH22)
Classification: Main-belt Asteroid          SPK-ID: 2056087
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247956418070587 7.2344e-08  
a 2.431347483976966 2.5334e-08 AU
q 1.884791165860387 1.7123e-07 AU
i 2.237723580040965 8.2418e-06 deg
node 179.9864403375099 0.00014513 deg
peri 211.3035026189494 0.00014617 deg
M 78.1461746878884 1.5362e-05 deg
tp 2456499.910228842162
(2013-Jul-26.41022884)
5.7161e-05 JED
period 1384.742350460734
3.79
2.1643e-05
5.926e-08
d
yr
n .2599761608217009 4.0634e-09 deg/d
Q 2.977903802093546 3.1029e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      6554 days (17.94 yr)  
   first obs. used      1996-03-16  
   last obs. used      2014-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46766  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 09:16:21  

Additional Information
 Earth MOID = .889515 AU 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO231760  

56087 (1999 AH22)          Discovered 1999-Jan-13 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AH22 = 2001 OL25 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-25 06:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin