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85168 Albertacentenary (1989 RC6)
Classification: Main-belt Asteroid          SPK-ID: 2085168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2606225425981628 6.5225e-08  
a 3.176236237867642 3.9062e-08 au
q 2.348437473662154 2.1686e-07 au
i 20.6105150557008 9.2746e-06 deg
node 277.4210458619468 2.1598e-05 deg
peri 87.06774561786251 2.8992e-05 deg
M 144.087834236392 1.9678e-05 deg
tp 2458172.953446711175
(2018-Feb-23.45344671)
0.00010435 TDB
period 2067.605226789735
5.66
3.8142e-05
1.044e-07
d
yr
n .174114475691742 3.2119e-09 deg/d
Q 4.004035002073129 4.9242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      13320 days (36.47 yr)  
   first obs. used      1983-08-11  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:27:32  

Additional Information
 Earth MOID = 1.45275 au 
 Jupiter MOID = 2.00871 au 
 T_jup = 3.050 
[ 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 15.0   n/a MPO257389  
diameter diameter 6.748 km 0.663 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85168 Albertacentenary           Discovered 1989 Sept. 2 by A. Lowe at Palomar.
The Canadian province of Alberta celebrates its centennial in 2005. Alberta was named after Princess Louise Caroline Alberta, fourth daughter of Queen Victoria.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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