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 ]  
66703 (1999 TL89)
Classification: Main-belt Asteroid          SPK-ID: 2066703
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2144141400843287 4.4409e-08  
a 2.62910118631786 1.4158e-08 au
q 2.065384716258828 1.2208e-07 au
i 2.98891726894617 4.2683e-06 deg
node 83.33736432839275 8.5995e-05 deg
peri 303.0612899511627 8.6565e-05 deg
M 293.6191545179718 1.1282e-05 deg
tp 2459287.610884731082
(2021-Mar-14.11088473)
5.0169e-05 TDB
period 1557.074450508062
4.26
1.2577e-05
3.443e-08
d
yr
n .231202817490541 1.8675e-09 deg/d
Q 3.192817656376893 1.7193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      15217 days (41.66 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:55:10  

Additional Information
 Earth MOID = 1.07167 au 
 Jupiter MOID = 2.25954 au 
 T_jup = 3.366 
[ 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 15.7   n/a MPO436247  
diameter diameter 4.097 km 1.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66703 (1999 TL89)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TL89 = 1978 WW 
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-18 18:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin