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11766 Fredseares (9073 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2011766
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .156031555490985 6.6274e-08  
a 3.144564780561625 3.1732e-08 au
q 2.653913446508426 2.1204e-07 au
i 4.911253872679748 6.7803e-06 deg
node 344.5784896311773 6.9557e-05 deg
peri 19.89292202534237 7.265e-05 deg
M 345.3913637106622 2.474e-05 deg
tp 2457683.150678216093
(2016-Oct-21.65067822)
0.00014071 JED
period 2036.757132458001
5.58
3.0829e-05
8.441e-08
d
yr
n .1767515597530003 2.6754e-09 deg/d
Q 3.635216114614823 3.6683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      22258 days (60.94 yr)  
   first obs. used      1954-08-04  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53737  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:33:52  

Additional Information
 Earth MOID = 1.65126 au 
 Jupiter MOID = 1.82145 au 
 T_jup = 3.185 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0 mag n/a PDS3 (MPC 35901)  

11766 Fredseares           Discovered 1960 Oct. 17 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Frederick H. Seares (1873-1964) was an American astronomer who standardized the stellar magnitude system and extended it using photography at Mt. Wilson Observatory. He measured and interpreted color indices of stars.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

[ show close-approach data ]
Alternate Designations
 9073 P-L = 1977 RQ5 = 1988 RC12 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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