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 ]  
117427 (2005 AY21)
Classification: Main-belt Asteroid          SPK-ID: 2117427
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08361530700288097 7.7694e-08  
a 2.640120120189281 2.4507e-08 au
q 2.419365665815171 1.9901e-07 au
i 14.12340055352051 8.0348e-06 deg
node 297.2425655578848 1.8549e-05 deg
peri 194.6985936102663 3.3171e-05 deg
M 217.0050464500679 3.1272e-05 deg
tp 2459622.875040265767
(2022-Feb-12.37504027)
0.00013882 TDB
period 1566.873577936713
4.29
2.1817e-05
5.973e-08
d
yr
n .2297568898149743 3.1991e-09 deg/d
Q 2.86087457456339 2.6556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      6786 days (18.58 yr)  
   first obs. used      1999-10-16  
   last obs. used      2018-05-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:34:47  

Additional Information
 Earth MOID = 1.43673 au 
 Jupiter MOID = 2.22709 au 
 T_jup = 3.348 
[ 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 15.3   n/a MPO254008  

117427 (2005 AY21)          Discovered 2005-Jan-06 by Tucker, R. A. at Goodricke-Pigott
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-05 21:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin