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16455 (1989 TK16)
Classification: Main-belt Asteroid          SPK-ID: 2016455
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899488703511794 6.7173e-08  
a 2.390118296142054 1.5543e-08 AU
q 1.936118025784185 1.6301e-07 AU
i 2.130529240982864 7.9469e-06 deg
node 174.9677388353067 0.00016174 deg
peri 122.2671996027365 0.00016314 deg
M 291.1714512456618 2.0794e-05 deg
tp 2457058.543921499724
(2015-Feb-05.04392150)
7.8152e-05 JED
period 1349.669772516388
3.70
1.3166e-05
3.605e-08
d
yr
n .2667319127469225 2.6019e-09 deg/d
Q 2.844118566499923 1.8496e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      22484 days (61.56 yr)  
   first obs. used      1952-09-15  
   last obs. used      2014-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:09:05  

Additional Information
 Earth MOID = .920563 AU 
 T_jup = 3.507 
[ 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 14.7 mag n/a MPO263494  

16455 (1989 TK16)          Discovered 1989-Oct-04 by Debehogne, H. at La Silla (809)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 TK16 = 1995 DL4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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