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 ]  
186274 (2002 AY4)
Classification: Main-belt Asteroid          SPK-ID: 2186274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .101887249985446 3.9855e-08  
a 2.749787874550135 1.7486e-08 au
q 2.469619549968897 1.1044e-07 au
i 14.67128350438571 4.8259e-06 deg
node 89.07979922232431 1.9155e-05 deg
peri 354.5567570429684 3.5266e-05 deg
M 27.79567959087402 2.7388e-05 deg
tp 2459071.905613232769
(2020-Aug-10.40561323)
0.00012673 TDB
period 1665.509889220434
4.56
1.5887e-05
4.35e-08
d
yr
n .2161500224826063 2.0618e-09 deg/d
Q 3.029956199131373 1.9268e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7128 days (19.52 yr)  
   first obs. used      2001-10-11  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54385  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:01  

Additional Information
 Earth MOID = 1.48584 au 
 Jupiter MOID = 2.19396 au 
 T_jup = 3.291 
[ 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 15.68   n/a MPCxxxxx  
diameter diameter 2.928 km 0.801 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186274 (2002 AY4)          Discovered 2002-Jan-03 by Asiago-DLR Asteroid Survey at Cima Ekar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-14 22:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin