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3550 Link (1981 YS)
Classification: Main-belt Asteroid          SPK-ID: 2003550
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582875956334236 3.7134e-08  
a 2.924854404104403 1.5031e-08 au
q 2.461886232900887 1.1088e-07 au
i 14.68054548712648 4.0581e-06 deg
node 81.12652164758589 1.9911e-05 deg
peri 29.81874480813041 2.596e-05 deg
M 266.4313302908035 1.7976e-05 deg
tp 2459675.378775655747
(2022-Apr-05.87877566)
9.33e-05 TDB
period 1827.068395515156
5.00
1.4084e-05
3.856e-08
d
yr
n .1970369587059139 1.5188e-09 deg/d
Q 3.387822575307919 1.741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2270  
   data-arc span      21591 days (59.11 yr)  
   first obs. used      1961-12-06  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:11:30  

Additional Information
 Earth MOID = 1.489 au 
 Jupiter MOID = 1.84514 au 
 T_jup = 3.211 
[ show covariance matrix ]

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 11.77   n/a E2021B10  
diameter diameter 26.515 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.371 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3550 Link (1981 YS)          Discovered 1981-Dec-20 by Mrkos, A. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 YS = 1938 JD = 1951 YL2 = 1961 XM = 1961 XZ = 1962 AB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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