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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2602540042666276 6.6467e-08  
a 3.177254200313567 3.9251e-08 au
q 2.350361072108999 2.2124e-07 au
i 20.6099179005673 9.7111e-06 deg
node 277.4201662983291 2.2171e-05 deg
peri 87.12148973311602 3.0409e-05 deg
M 74.42748594385075 1.9515e-05 deg
tp 2458172.831543480202
(2018-Feb-23.33154348)
0.00010815 TDB
period 2068.599286872025
5.66
3.8332e-05
1.049e-07
d
yr
n .1740308054269728 3.2249e-09 deg/d
Q 4.004147328518134 4.9466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      12992 days (35.57 yr)  
   first obs. used      1983-08-11  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59127  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:29:02  

Additional Information
 Earth MOID = 1.45391 au 
 Jupiter MOID = 2.00581 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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