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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144681391422502 5.1236e-08  
a 2.592163825306278 1.4397e-08 au
q 2.295443655871612 1.2765e-07 au
i 13.44725620505353 4.5844e-06 deg
node 77.85321302037057 1.9161e-05 deg
peri 143.8305592379496 2.6301e-05 deg
M 140.0570185698122 1.7244e-05 deg
tp 2458607.445682960084
(2019-May-03.94568296)
7.2197e-05 TDB
period 1524.37597426044
4.17
1.2699e-05
3.477e-08
d
yr
n .2361622106873314 1.9674e-09 deg/d
Q 2.888883994740945 1.6044e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      9695 days (26.54 yr)  
   first obs. used      1994-06-10  
   last obs. used      2020-12-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:01:51  

Additional Information
 Earth MOID = 1.29646 au 
 Jupiter MOID = 2.14074 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 15.20   n/a E2021B55  
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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