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21032 (1989 TN16)
Classification: Main-belt Asteroid          SPK-ID: 2021032
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0813266607626002 5.4418e-08  
a 2.222257108207035 9.6365e-09 au
q 2.041528358240604 1.1951e-07 au
i 2.290480919315897 4.7613e-06 deg
node 190.4499457744088 0.00011893 deg
peri 326.1599430408118 0.00012163 deg
M 195.7053262531334 2.5779e-05 deg
tp 2457952.718391294921
(2017-Jul-18.21839130)
8.764e-05 JED
period 1210.012572729327
3.31
7.8706e-06
2.155e-08
d
yr
n .2975175697455584 1.9352e-09 deg/d
Q 2.402985858173465 1.042e-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 = 1.05121 au 
 Jupiter MOID = 2.57931 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 ]
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