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17473 Freddiemercury (1991 FM3)
Classification: Main-belt Asteroid          SPK-ID: 2017473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564726369929299 2.6578e-08  
a 2.389306443743677 6.9864e-09 au
q 2.015445363906904 6.5055e-08 au
i .9105292305015447 4.1643e-06 deg
node .7732374488022449 0.00019831 deg
peri 100.4045032571556 0.00019889 deg
M 72.7277919736669 1.4238e-05 deg
tp 2458927.976404467721
(2020-Mar-19.47640447)
5.3072e-05 TDB
period 1348.982166640549
3.69
5.9167e-06
1.62e-08
d
yr
n .2668678718685581 1.1705e-09 deg/d
Q 2.763167523580449 8.0796e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1879  
   data-arc span      14015 days (38.37 yr)  
   first obs. used      1982-11-09  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:33:28  

Additional Information
 Earth MOID = 1.03239 au 
 Jupiter MOID = 2.37719 au 
 T_jup = 3.516 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457027.5 (2015-Jan-05.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1553578826901539 2.6551e-08  
q 2.018824275748874 6.4921e-08 au
tp 2457578.914901996400
(2016-Jul-09.41490200)
5.2704e-05 TDB
node .8800023458171614 0.00019769 deg
peri 100.4008132685282 0.00019828 deg
i .9124315981142557 4.166e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1879  
   data-arc span      14015 days (38.37 yr)  
   first obs. used      1982-11-09  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:33:28  

Additional Information
 Jupiter MOID = 2.37719 au 
 T_jup = 3.516 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.049507006644265E-16 -1.71695861128984E-15 -1.712848326897128E-13 -2.298242939072536E-16 -2.919041179672434E-14 -2.099694923345722E-16
q -1.71695861128984E-15 4.214739502510427E-15 4.416047701962704E-13 1.133874686380678E-15 7.325206088911976E-14 5.569042680135604E-16
tp -1.712848326897128E-13 4.416047701962704E-13 2.777758007958622E-9 -1.497877832359871E-11 8.138512376660567E-10 4.723049557871955E-13
node -2.298242939072536E-16 1.133874686380678E-15 -1.497877832359871E-11 3.908151676122624E-8 -3.90803663542894E-8 2.421475386852868E-10
peri -2.919041179672434E-14 7.325206088911976E-14 8.138512376660567E-10 -3.90803663542894E-8 3.931629602027562E-8 -2.419890452547604E-10
i -2.099694923345722E-16 5.569042680135604E-16 4.723049557871955E-13 2.421475386852868E-10 -2.419890452547604E-10 1.735540559479336E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.42   n/a E2021B10  
diameter diameter 3.435 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.313   0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17473 Freddiemercury           Discovered 1991 Mar. 21 by H. Debehogne at the European Southern Observatory.
Freddie Mercury (Farrokh Bulsara, 1946--1991) was a British songwriter and the lead singer for the legendary rock group Queen. His distinctive sound and large vocal range were hallmarks of his performance style, and he is regarded as one of the greatest rock singers of all time.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-11-23

Alternate Designations
 1991 FM3 = 1982 VC9 = 1999 JE127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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