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56507 (2000 GU178)
Classification: Main-belt Asteroid          SPK-ID: 2056507
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0815062193135485 4.3977e-08  
a 2.359636078230016 1.2631e-08 au
q 2.167311062537639 1.0327e-07 au
i 6.947754670624687 5.6781e-06 deg
node 39.77728551633643 4.97e-05 deg
peri 52.70791499142904 6.7621e-05 deg
M 299.7513684498342 4.6521e-05 deg
tp 2459222.069845500691
(2021-Jan-07.56984550)
0.00017184 TDB
period 1323.93288159305
3.62
1.063e-05
2.91e-08
d
yr
n .2719171077364756 2.1833e-09 deg/d
Q 2.551961093922393 1.366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      8066 days (22.08 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:56:01  

Additional Information
 Earth MOID = 1.1915 au 
 Jupiter MOID = 2.58446 au 
 T_jup = 3.538 
[ 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 16.0   n/a MPO436178  
diameter diameter 1.884 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56507 (2000 GU178)          Discovered 2000-Apr-04 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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