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 ]  
86258 (1999 TK208)
Classification: Main-belt Asteroid          SPK-ID: 2086258
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06728713184131496 8.5559e-08  
a 3.115907566135464 2.9743e-08 au
q 2.906247082927556 2.8218e-07 au
i 13.71345316765989 7.8347e-06 deg
node 336.0965208051682 1.9038e-05 deg
peri .7514136651873264 4.28e-05 deg
M 323.8289586032481 3.5694e-05 deg
tp 2459202.352339559176
(2020-Dec-18.85233956)
0.00019875 TDB
period 2008.978437867941
5.50
2.8765e-05
7.875e-08
d
yr
n .1791955519353684 2.5658e-09 deg/d
Q 3.325568049343372 3.1745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1996-02-14  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:00:00  

Additional Information
 Earth MOID = 1.89673 au 
 Jupiter MOID = 2.04874 au 
 T_jup = 3.170 
[ 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 14.7   n/a MPO436379  
diameter diameter 5.969 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.072   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86258 (1999 TK208)          Discovered 1999-Oct-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
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-26 23:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin