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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2611640409872023 6.4594e-08  
a 3.174863671392593 3.8941e-08 au
q 2.345703445388238 2.1462e-07 au
i 20.61037859723732 8.259e-06 deg
node 277.4085376100222 2.1398e-05 deg
peri 87.09055754013298 2.7262e-05 deg
M 213.0391167328746 1.9588e-05 deg
tp 2460240.000417251450
(2023-Oct-22.50041725)
0.00012379 TDB
period 2066.265141170731
5.66
3.8016e-05
1.041e-07
d
yr
n .1742273984238183 3.2055e-09 deg/d
Q 4.004023897396947 4.9111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      13763 days (37.68 yr)  
   first obs. used      1983-08-11  
   last obs. used      2021-04-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57946  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:40  

Additional Information
 Earth MOID = 1.44943 au 
 Jupiter MOID = 2.00962 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 15.07   n/a MPO637170  
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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