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 ]  
233760 (2008 TT55)
Classification: Main-belt Asteroid          SPK-ID: 2233760
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634623388761813 7.1188e-08  
a 2.629391656031365 2.9476e-08 au
q 2.199585146114963 1.8344e-07 au
i 1.233587530068328 9.0437e-06 deg
node 216.2252821321018 0.0004184 deg
peri 247.8065708205229 0.00041963 deg
M 201.160765315759 3.4611e-05 deg
tp 2459687.626396524964
(2022-Apr-18.12639653)
0.00015548 TDB
period 1557.332501889277
4.26
2.6187e-05
7.17e-08
d
yr
n .2311645069779679 3.8871e-09 deg/d
Q 3.059198165947767 3.4294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6708 days (18.37 yr)  
   first obs. used      2000-11-22  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:56:53  

Additional Information
 Earth MOID = 1.21681 au 
 Jupiter MOID = 2.08246 au 
 T_jup = 3.381 
[ 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 17.0   n/a MPO287964  
rotation period rot_per 2.79 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

233760 (2008 TT55)          Discovered 2008-Oct-02 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 TT55 = 2004 YP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-04 18:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin