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16453 (1989 SW8)
Classification: Main-belt Asteroid          SPK-ID: 2016453
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ 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 .1909410531024941 7.2054e-08  
a 2.674269125260926 1.9817e-08 AU
q 2.163641362204119 1.9256e-07 AU
i 13.40305999919394 7.7274e-06 deg
node 183.0248432359239 2.5102e-05 deg
peri 190.2355094095808 2.9158e-05 deg
M 265.965022313637 1.7823e-05 deg
tp 2457417.746802780987
(2016-Jan-30.24680278)
8.1588e-05 JED
period 1597.372091714109
4.37
1.7755e-05
4.861e-08
d
yr
n .2253701575652865 2.505e-09 deg/d
Q 3.184896888317733 2.3601e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      23154 days (63.39 yr)  
   first obs. used      1951-01-04  
   last obs. used      2014-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53905  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:32:35  

Additional Information
 Earth MOID = 1.16477 AU 
 T_jup = 3.315 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO263494  

16453 (1989 SW8)          Discovered 1989-Sep-23 by Debehogne, H. at La Silla (809)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 SW8 = 1998 QE93 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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