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 ]  
332559 (2008 RT98)
Classification: Main-belt Asteroid          SPK-ID: 2332559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06682176561061313 5.7261e-08  
a 2.9446947973251 4.4783e-08 au
q 2.74792509178345 1.6186e-07 au
i 10.73671063444876 5.7844e-06 deg
node 258.2109012126988 3.235e-05 deg
peri 90.26161735145043 5.709e-05 deg
M 115.2260996979292 4.5621e-05 deg
tp 2458409.745251340724
(2018-Oct-18.24525134)
0.00023812 TDB
period 1845.690430161816
5.05
4.2104e-05
1.153e-07
d
yr
n .1950489606041019 4.4495e-09 deg/d
Q 3.14146450286675 4.7776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6000 days (16.43 yr)  
   first obs. used      2003-08-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:09:14  

Additional Information
 Earth MOID = 1.76846 au 
 Jupiter MOID = 2.15917 au 
 T_jup = 3.242 
[ 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 15.8   n/a MPO455449  
diameter diameter 4.454 km 0.624 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332559 (2008 RT98)          Discovered 2008-Sep-08 by Kugel, F. at Dauban
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

Alternate Designations
 2008 RT98 = 2004 XA156 = 2010 EK17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-24 06:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin