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15949 Rhaeticus (1998 BQ)
Classification: Main-belt Asteroid          SPK-ID: 2015949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1403442177295975 2.914e-08  
a 2.284775644936628 7.0888e-09 au
q 1.964120594360361 6.5897e-08 au
i 7.415645624770344 3.1638e-06 deg
node 105.9978313041202 2.5519e-05 deg
peri 356.5824075297634 2.8351e-05 deg
M 137.6874401870249 1.3743e-05 deg
tp 2458518.046353856433
(2019-Feb-03.54635386)
4.7113e-05 TDB
period 1261.431778931796
3.45
5.8706e-06
1.607e-08
d
yr
n .285389987800097 1.3282e-09 deg/d
Q 2.605430695512896 8.0837e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1735  
   data-arc span      13981 days (38.28 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:02:47  

Additional Information
 Earth MOID = .981052 au 
 Jupiter MOID = 2.52506 au 
 T_jup = 3.579 
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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 14.1   n/a MPO425961  
diameter diameter 3.575 km 0.597 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.347   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15949 Rhaeticus           Discovered 1998 Jan. 17 by E. Meyer and E. Obermair at the Davidschlag Observatory, Linz.
Rhaeticus (Georg Joachim Lauchen, 1514-1574) was a humanist, physician, mathematician and astronomer at the universities of Vienna, Leipzig and Wittenberg. He summarized and popularized the work of his teacher Copernicus, initiating the first printing of De Revolutionibus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1998 BQ = 1987 WG2 = 1992 GX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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