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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
243609 (1998 YY11)
Classification: Main-belt Asteroid          SPK-ID: 2243609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .247932415919285 1.6741e-07  
a 2.579057196464689 5.6797e-08 au
q 1.93962531495118 4.669e-07 au
i 30.21183395555777 1.1239e-05 deg
node 284.8389989828258 3.4991e-05 deg
peri 136.5551478423888 0.00010098 deg
M 353.2400120620347 0.00010137 deg
tp 2458628.907519122276
(2019-May-25.40751912)
0.00042688 TDB
period 1512.829161511419
4.14
4.9974e-05
1.368e-07
d
yr
n .2379647412668431 7.8608e-09 deg/d
Q 3.218489077978198 7.0879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      1998-11-24  
   last obs. used      2018-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54676  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:33:36  

Additional Information
 Earth MOID = 1.01724 au 
 Jupiter MOID = 2.19806 au 
 T_jup = 3.196 
[ 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 15.6   n/a MPO454788  
diameter diameter 4.289 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243609 (1998 YY11)          Discovered 1998-Dec-26 by Kobayashi, T. at Oizumi
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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 2019-Dec-13 08:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin