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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1398048568660307 2.9041e-08  
a 2.28593002031919 7.0726e-09 au
q 1.966345901022703 6.5692e-08 au
i 7.414645445761318 3.1618e-06 deg
node 105.9984599270125 2.5366e-05 deg
peri 356.7173101179158 2.8188e-05 deg
M 194.5797015175652 1.3745e-05 deg
tp 2459780.568287207324
(2022-Jul-20.06828721)
4.9562e-05 TDB
period 1262.387901064094
3.46
5.8587e-06
1.604e-08
d
yr
n .2851738357889427 1.3235e-09 deg/d
Q 2.605514139615677 8.0614e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1766  
   data-arc span      14002 days (38.34 yr)  
   first obs. used      1982-04-22  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:13:15  

Additional Information
 Earth MOID = .983106 au 
 Jupiter MOID = 2.52401 au 
 T_jup = 3.578 
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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 14.18   n/a E2021B10  
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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