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10506 Rydberg (1988 CW4)
Classification: Main-belt Asteroid          SPK-ID: 2010506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04688412358488654 3.2431e-08  
a 2.994164728412524 1.6898e-08 au
q 2.853785939252123 9.0502e-08 au
i 6.932529402971487 3.3411e-06 deg
node 249.4311767365415 3.0689e-05 deg
peri 206.4743511438649 5.1773e-05 deg
M 175.0709170064349 4.2802e-05 deg
tp 2458280.212617586298
(2018-Jun-10.71261759)
0.00022339 TDB
period 1892.395740731485
5.18
1.602e-05
4.386e-08
d
yr
n .1902350508677672 1.6104e-09 deg/d
Q 3.134543517572924 1.769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1743  
   data-arc span      23670 days (64.80 yr)  
   first obs. used      1955-10-25  
   last obs. used      2020-08-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50747  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:08:47  

Additional Information
 Earth MOID = 1.87207 au 
 Jupiter MOID = 2.01535 au 
 T_jup = 3.242 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.50   n/a MPCxxxxx  
diameter diameter 13.348 km 2.852 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 266.356 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.054   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10506 Rydberg          
Johannes Robert Rydberg (1854-1919) was a Swedish physicist educated at the University of Lund who held the chair of physics from 1901 to 1919. He is well-known for the Rydberg constant, which appears in a spectroscopic expression that relates the various lines in the spectra of chemical elements.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1988 CW4 = 1991 VX12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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