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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900279687474652 5.9011e-08  
a 2.390457284744462 1.6353e-08 AU
q 1.936203542546891 1.4444e-07 AU
i 2.130482038863942 7.2688e-06 deg
node 174.9640963441007 0.00014329 deg
peri 122.2416278837022 0.0001447 deg
M 344.5417687126105 1.8707e-05 deg
tp 2457058.466517346888
(2015-Feb-04.96651735)
7.016e-05 JED
period 1349.95691660426
3.70
1.3852e-05
3.792e-08
d
yr
n .266675177238663 2.7364e-09 deg/d
Q 2.844711026942034 1.946e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      22564 days (61.78 yr)  
   first obs. used      1952-09-15  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:27:32  

Additional Information
 Earth MOID = .922582 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 14.8 mag n/a MPO302166  

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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