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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08139346342991509 6.1148e-08  
a 2.221842347233979 1.0805e-08 AU
q 2.040998903397353 1.3668e-07 AU
i 2.29030502767214 5.4683e-06 deg
node 190.4624110692464 0.00012103 deg
peri 325.9407370720386 0.00012453 deg
M 17.38273181203449 2.7479e-05 deg
tp 2456742.090455994901
(2014-Mar-25.59045599)
9.2322e-05 JED
period 1209.673834309397
3.31
8.8245e-06
2.416e-08
d
yr
n .2976008819811533 2.171e-09 deg/d
Q 2.402685791070605 1.1685e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1208  
   data-arc span      9026 days (24.71 yr)  
   first obs. used      1989-10-04  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52409  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:45:59  

Additional Information
 Earth MOID = 1.05095 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 14.5 mag n/a MPO259493  

21032 (1989 TN16)          Discovered 1989-Oct-04 by Debehogne, H. at La Silla (809)
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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