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JPL Small-Body Database Browser
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56027 (1998 WG1)
Classification: Main-belt Asteroid          SPK-ID: 2056027
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412723168444399 5.5461e-08  
a 2.305975062841128 6.7321e-09 au
q 1.749607116843946 1.2883e-07 au
i 25.07631030109426 6.1595e-06 deg
node 203.4550049435536 8.1476e-06 deg
peri 218.2217893388831 1.1302e-05 deg
M 299.3378799831437 6.4667e-06 deg
tp 2458816.023891331791
(2019-Nov-28.52389133)
2.3101e-05 TDB
period 1279.028838060473
3.50
5.601e-06
1.533e-08
d
yr
n .2814635521009096 1.2326e-09 deg/d
Q 2.862343008838309 8.3563e-09 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      14784 days (40.48 yr)  
   first obs. used      1979-06-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:40:18  

Additional Information
 Earth MOID = .797664 au 
 Jupiter MOID = 2.65067 au 
 T_jup = 3.427 
[ 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 15.2   n/a MPO502528  
diameter diameter 2.678 km 0.729 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56027 (1998 WG1)          Discovered 1998-Nov-18 by CSS at Catalina
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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