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13748 Radaly (1998 SC46)
Classification: Main-belt Asteroid          SPK-ID: 2013748
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023738305540624 3.587e-08  
a 3.094571155732608 1.478e-08 au
q 2.777768052598149 1.1016e-07 au
i 2.699347016948326 4.0761e-06 deg
node 218.4075147591969 7.2264e-05 deg
peri 158.0896395913299 7.4783e-05 deg
M 71.3141350206344 1.7595e-05 deg
tp 2459002.612449089115
(2020-Jun-02.11244909)
9.7571e-05 TDB
period 1988.378857668114
5.44
1.4245e-05
3.9e-08
d
yr
n .1810520156215062 1.2971e-09 deg/d
Q 3.411374258867067 1.6293e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1593  
   data-arc span      13998 days (38.32 yr)  
   first obs. used      1982-12-13  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52864  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:07:41  

Additional Information
 Earth MOID = 1.77864 au 
 Jupiter MOID = 2.05498 au 
 T_jup = 3.214 
[ 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 13.97   n/a E2021B10  
diameter diameter 9.968 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13748 Radaly           Discovered 1998 Sept. 25 by Spacewatch at Kitt Peak.
Reginald Aldworth Daly (1871-1957) was president of the Geological Society of America in 1932. He wrote on subjects such as the glacial control of coral reefs and rock mechanics.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1998 SC46 = 1982 XS3 = 1996 FK22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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