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 ]  
249261 (2008 SS72)
Classification: Main-belt Asteroid          SPK-ID: 2249261
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590825802294061 8.8238e-08  
a 3.127223139367942 4.1208e-08 au
q 2.629736413404186 2.8896e-07 au
i 28.59843764600717 8.3912e-06 deg
node 49.03063324821789 1.4195e-05 deg
peri 327.1597795904983 2.4341e-05 deg
M 38.53239171101205 1.7374e-05 deg
tp 2458784.297755101972
(2019-Oct-27.79775510)
9.8232e-05 TDB
period 2019.931924989915
5.53
3.9925e-05
1.093e-07
d
yr
n .1782238280143018 3.5227e-09 deg/d
Q 3.624709865331698 4.7763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      7657 days (20.96 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:10  

Additional Information
 Earth MOID = 1.66578 au 
 Jupiter MOID = 1.87505 au 
 T_jup = 3.008 
[ 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 14.5   n/a MPO503175  
diameter diameter 7.110 km 0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249261 (2008 SS72)          Discovered 2008-Sep-22 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 SS72 = 2003 UN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 19:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin