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 ]  
(2008 SS81)
Classification: Main-belt Asteroid          SPK-ID: 3429830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698237763384196 3.6877e-07  
a 2.544297924098052 4.6491e-08 au
q 1.857785850087913 9.6984e-07 au
i 11.71309571160234 1.4075e-05 deg
node 278.7880488116595 7.2583e-05 deg
peri 111.3037623530278 0.0001152 deg
M 351.6565029682928 9.6271e-05 deg
tp 2459234.855477354929
(2021-Jan-20.35547735)
0.00039729 TDB
period 1482.348684343441
4.06
4.063e-05
1.112e-07
d
yr
n .2428578402654638 6.6565e-09 deg/d
Q 3.23080999810819 5.9035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5874 days (16.08 yr)  
   first obs. used      2004-10-14  
   last obs. used      2020-11-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:52:25  

Additional Information
 Earth MOID = .900092 au 
 Jupiter MOID = 2.35063 au 
 T_jup = 3.364 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a E2020-VE3  

Alternate Designations
 2008 SS81 = 2012 RA17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 21:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin