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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
154960 (2004 TK186)
Classification: Outer Main-belt Asteroid          SPK-ID: 2154960
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1466223881822614 5.8765e-08  
a 3.968902857084648 7.5475e-08 au
q 3.386972841715497 2.1536e-07 au
i 2.320192252860851 9.0326e-06 deg
node 356.0189427410543 0.00012414 deg
peri 119.9518013302049 0.00012965 deg
M 274.1638081901135 4.0312e-05 deg
tp 2459689.108012140928
(2022-Apr-19.60801214)
0.0003387 TDB
period 2888.046162623229
7.91
8.2381e-05
2.255e-07
d
yr
n .1246517471427846 3.5557e-09 deg/d
Q 4.5508328724538 8.6541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-01-23  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:01:22  

Additional Information
 Earth MOID = 2.40416 au 
 Jupiter MOID = .559259 au 
 T_jup = 3.037 
[ 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 14.5   n/a MPO454007  
diameter diameter 9.194 km 1.020 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.033   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

154960 (2004 TK186)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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-Feb-19 14:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin