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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908344004259422 6.3939e-08  
a 2.674517890488838 1.6417e-08 au
q 2.164127872428945 1.7522e-07 au
i 13.40384516026496 6.4351e-06 deg
node 183.0178989819605 2.1582e-05 deg
peri 190.18213139 2.5279e-05 deg
M 356.1460668170758 1.4175e-05 deg
tp 2457417.602845321479
(2016-Jan-30.10284532)
6.2955e-05 JED
period 1597.59498244877
4.37
1.471e-05
4.027e-08
d
yr
n .2253387147274319 2.0748e-09 deg/d
Q 3.18490790854873 1.955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      23707 days (64.91 yr)  
   first obs. used      1951-01-04  
   last obs. used      2015-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5243  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:33:54  

Additional Information
 Earth MOID = 1.16347 au 
 Jupiter MOID = 2.27258 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 13.7 mag n/a MPO347653  

16453 (1989 SW8)          Discovered 1989-Sep-23 by Debehogne, H. at La Silla
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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