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JPL Small-Body Database Browser
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56498 (2000 GU140)
Classification: Main-belt Asteroid          SPK-ID: 2056498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553300550040794 3.9169e-08  
a 2.267949943632928 9.3688e-09 au
q 1.915669154141926 8.9294e-08 au
i 8.609816897339327 5.351e-06 deg
node 147.3534255369786 4.0624e-05 deg
peri 146.9835833547378 4.6789e-05 deg
M 142.7201782989282 2.4187e-05 deg
tp 2458105.925747713208
(2017-Dec-18.42574771)
8.2603e-05 TDB
period 1247.523180992147
3.42
7.7302e-06
2.116e-08
d
yr
n .2885717920798028 1.7881e-09 deg/d
Q 2.620230733123929 1.0824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1993-03-17  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58508  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:25:24  

Additional Information
 Earth MOID = .905524 au 
 Jupiter MOID = 2.59447 au 
 T_jup = 3.584 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO400546  
diameter diameter 1.910 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56498 (2000 GU140)          Discovered 2000-Apr-04 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 GU140 = 1993 FW18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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