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JPL Small-Body Database Browser
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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579020673910527 4.0885e-08  
a 2.926111394797622 1.6621e-08 au
q 2.464072356142561 1.194e-07 au
i 14.68106544711128 5.0142e-06 deg
node 81.13747022404442 2.0576e-05 deg
peri 29.690549236124 2.7692e-05 deg
M 227.1362697071233 1.8381e-05 deg
tp 2459675.243408553611
(2022-Apr-05.74340855)
9.5639e-05 TDB
period 1828.246328353489
5.01
1.5578e-05
4.265e-08
d
yr
n .1969100084692715 1.6778e-09 deg/d
Q 3.388150433452683 1.9246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1840  
   data-arc span      21082 days (57.72 yr)  
   first obs. used      1961-12-06  
   last obs. used      2019-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:49:49  

Additional Information
 Earth MOID = 1.49126 au 
 Jupiter MOID = 1.84472 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 11.6   n/a MPO435732  
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. 2019-August); 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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