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 ]  
11867 (1989 TW)
Classification: Main-belt Asteroid          SPK-ID: 2011867
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614229734770666 3.3309e-08  
a 2.225586878940323 5.5862e-09 au
q 1.866326027210232 7.274e-08 au
i 4.638284534819133 3.6389e-06 deg
node 284.6864348584468 4.3595e-05 deg
peri 84.97630505657311 4.5361e-05 deg
M 90.17254186363213 1.1407e-05 deg
tp 2458696.735465909388
(2019-Aug-01.23546591)
3.826e-05 TDB
period 1212.733167021046
3.32
4.566e-06
1.25e-08
d
yr
n .2968501314137411 1.1176e-09 deg/d
Q 2.584847730670414 6.488e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      11081 days (30.34 yr)  
   first obs. used      1989-09-27  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49307  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:11:01  

Additional Information
 Earth MOID = .87256 au 
 Jupiter MOID = 2.90237 au 
 T_jup = 3.625 
[ 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 15.0   n/a MPO395116  
diameter diameter 3.085 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11867 (1989 TW)          Discovered 1989-Oct-04 by Suzuki, K., Furuta, T. at Toyota
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TW = 1994 CG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 18:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin