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 ]  
266808 (2009 SN355)
Classification: Jupiter Trojan          SPK-ID: 2266808
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09426405708610888 6.5358e-08  
a 5.130582768385732 2.2311e-07 au
q 4.646953221421613 4.2577e-07 au
i 6.874581700130944 7.0352e-06 deg
node 209.478572892854 6.3561e-05 deg
peri 221.6200511433928 8.4686e-05 deg
M 275.1105176787879 6.5028e-05 deg
tp 2460001.421132299926
(2023-Feb-25.92113230)
0.00081531 TDB
period 4244.714395412613
11.62
0.00027688
7.581e-07
d
yr
n .08481135983826439 5.5321e-09 deg/d
Q 5.614212315349851 2.4414e-07 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57179  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:54  

Additional Information
 Earth MOID = 3.66514 au 
 Jupiter MOID = .079021 au 
 T_jup = 2.977 
[ 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 13.6   n/a MPO433732  

266808 (2009 SN355)          Discovered 1998-Oct-12 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 SN355 = 1998 TB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-04 23:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin