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187111 (2005 QG56)
Classification: Main-belt Asteroid          SPK-ID: 2187111
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779467629382277 4.5829e-08  
a 2.323520832805166 7.7726e-09 au
q 1.910057821987952 1.0767e-07 au
i 3.03838716690973 5.0487e-06 deg
node 140.9825488059434 6.4664e-05 deg
peri 183.2015514297876 6.56e-05 deg
M 134.9328298197032 9.7895e-06 deg
tp 2458715.620960486837
(2019-Aug-20.12096049)
3.4813e-05 TDB
period 1293.65443871577
3.54
6.4913e-06
1.777e-08
d
yr
n .2782814244871895 1.3964e-09 deg/d
Q 2.736983843622381 9.1557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      562  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      2000-01-27  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56327  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:03  

Additional Information
 Earth MOID = .895933 au 
 Jupiter MOID = 2.58234 au 
 T_jup = 3.553 
[ 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 16.6   n/a MPO436925  
diameter diameter 2.952 km 1.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187111 (2005 QG56)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 QG56 = 2004 FX101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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