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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143877193457109 5.7551e-08  
a 2.592995009802464 1.5109e-08 au
q 2.296388224356351 1.4657e-07 au
i 13.4473355744846 5.957e-06 deg
node 77.85975047772901 1.946e-05 deg
peri 143.9907194112764 3.0321e-05 deg
M 92.65578879758171 2.0284e-05 deg
tp 2458607.971671262220
(2019-May-04.47167126)
8.6059e-05 TDB
period 1525.109226087436
4.18
1.333e-05
3.65e-08
d
yr
n .2360486671000972 2.0632e-09 deg/d
Q 2.889601795248578 1.6838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      9175 days (25.12 yr)  
   first obs. used      1994-06-10  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52485  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:21:42  

Additional Information
 Earth MOID = 1.29855 au 
 Jupiter MOID = 2.14113 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 15.1   n/a MPO475384  
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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