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212320 (2005 QG108)
Classification: Main-belt Asteroid          SPK-ID: 2212320
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278275702438765 6.5386e-08  
a 3.129184783513374 3.6321e-08 au
q 2.729188695792748 2.2405e-07 au
i 3.845749768772917 5.6974e-06 deg
node 188.8332056942679 7.2005e-05 deg
peri 60.86251948258695 7.5925e-05 deg
M 321.5907581843509 2.1005e-05 deg
tp 2459216.214071050904
(2021-Jan-01.71407105)
0.00011817 TDB
period 2021.832816983276
5.54
3.5201e-05
9.638e-08
d
yr
n .1780562650759357 3.1001e-09 deg/d
Q 3.529180871233999 4.0963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      9333 days (25.55 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52371  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:44:58  

Additional Information
 Earth MOID = 1.71799 au 
 Jupiter MOID = 1.50583 au 
 T_jup = 3.198 
[ 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 15.7   n/a MPO433387  
diameter diameter 3.511 km 1.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212320 (2005 QG108)          Discovered 2005-Aug-27 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 QG108 = 2006 UY326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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