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 ]  
91678 (1999 TB117)
Classification: Main-belt Asteroid          SPK-ID: 2091678
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08591957090877608 6.3737e-08  
a 3.19491479552244 3.6069e-08 au
q 2.920409087201052 2.1985e-07 au
i 12.64204540841047 8.6555e-06 deg
node 3.885156144614832 2.606e-05 deg
peri 301.9336351065392 5.8422e-05 deg
M 278.6227845070799 5.4664e-05 deg
tp 2459472.006487178902
(2021-Sep-14.50648718)
0.00031751 TDB
period 2085.870527226045
5.71
3.5323e-05
9.671e-08
d
yr
n .1725898109691191 2.9227e-09 deg/d
Q 3.469420503843828 3.9168e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      7512 days (20.57 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59909  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:42:44  

Additional Information
 Earth MOID = 1.9308 au 
 Jupiter MOID = 1.87891 au 
 T_jup = 3.152 
[ 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 14.3   n/a MPO302520  
diameter diameter 8.326 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91678 (1999 TB117)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TB117 = 2002 CM167 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-30 06:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin