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JPL Small-Body Database Browser
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160543 (1998 GW8)
Classification: Main-belt Asteroid          SPK-ID: 2160543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138341025897539 5.8208e-08  
a 2.593317899446148 1.5613e-08 au
q 2.29810988363275 1.4772e-07 au
i 13.4510842907211 6.0161e-06 deg
node 77.87091097153206 2.0452e-05 deg
peri 144.3391517809842 3.1295e-05 deg
M 357.9784611785544 2.116e-05 deg
tp 2458609.065676106729
(2019-May-05.56567611)
8.966e-05 TDB
period 1525.394103595452
4.18
1.3775e-05
3.771e-08
d
yr
n .2360045834394252 2.1313e-09 deg/d
Q 2.888525915259545 1.739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      9102 days (24.92 yr)  
   first obs. used      1994-06-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:14  

Additional Information
 Earth MOID = 1.29994 au 
 Jupiter MOID = 2.14245 au 
 T_jup = 3.371 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO433026  
diameter diameter 2.549 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.298   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160543 (1998 GW8)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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