Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
21032 (1989 TN16)
Classification: Main-belt Asteroid          SPK-ID: 2021032
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08132892571664298 5.4405e-08  
a 2.222099080770584 9.6614e-09 au
q 2.041378149695573 1.1946e-07 au
i 2.290677331511071 4.7612e-06 deg
node 190.4504380537482 0.00011892 deg
peri 326.2348933832802 0.00012163 deg
M 255.1271623982611 2.589e-05 deg
tp 2457952.955323682464
(2017-Jul-18.45532368)
8.7657e-05 JED
period 1209.883506800271
3.31
7.8907e-06
2.16e-08
d
yr
n .297549307827228 1.9406e-09 deg/d
Q 2.402820011845595 1.0447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      9559 days (26.17 yr)  
   first obs. used      1989-10-04  
   last obs. used      2015-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52124  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:46:54  

Additional Information
 Earth MOID = 1.04996 au 
 Jupiter MOID = 2.5793 au 
 T_jup = 3.643 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO299114  

21032 (1989 TN16)          Discovered 1989-Oct-04 by Debehogne, H. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TN16 = 1991 EP8 = 1998 KV64 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-03 01:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin