Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582875952307759 3.6948e-08  
a 2.92485440195534 1.4966e-08 au
q 2.461886232269681 1.1045e-07 au
i 14.68054522263311 3.983e-06 deg
node 81.12652211276225 1.9847e-05 deg
peri 29.81874446170806 2.5858e-05 deg
M 266.4313305441954 1.7952e-05 deg
tp 2459675.378773846354
(2022-Apr-05.87877385)
9.3197e-05 TDB
period 1827.068393501474
5.00
1.4023e-05
3.839e-08
d
yr
n .1970369589230758 1.5123e-09 deg/d
Q 3.387822571641 1.7335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      21615 days (59.18 yr)  
   first obs. used      1961-12-06  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:15:19  

Additional Information
 Earth MOID = 1.489 au 
 Jupiter MOID = 1.84514 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1547009867646895 3.6285e-08  
q 2.476339805017957 1.0805e-07 au
tp 2456006.295868934078
(2012-Mar-19.79586893)
8.3417e-05 TDB
node 81.2218949415993 1.9849e-05 deg
peri 28.46953130213503 2.6309e-05 deg
i 14.67140097912753 3.9818e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      21615 days (59.18 yr)  
   first obs. used      1961-12-06  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:15:19  

Additional Information
 Jupiter MOID = 1.84514 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.316586636459015E-15 -3.893189792723205E-15 1.324008074659097E-13 6.306497524774323E-16 5.255448638941635E-14 2.620977515770515E-15
q -3.893189792723205E-15 1.167379062972966E-14 -1.1918105437115E-14 -5.163346431773512E-16 -6.934803276427894E-14 -7.500324131262934E-15
tp 1.324008074659097E-13 -1.1918105437115E-14 6.958417245085374E-9 -4.701387228107452E-11 1.479292306207017E-9 4.487218142758194E-12
node 6.306497524774323E-16 -5.163346431773512E-16 -4.701387228107452E-11 3.940012787719974E-10 -3.898915433281817E-10 -6.760809729447738E-12
peri 5.255448638941635E-14 -6.934803276427894E-14 1.479292306207017E-9 -3.898915433281817E-10 6.92151055519153E-10 7.457400736629824E-12
i 2.620977515770515E-15 -7.500324131262934E-15 4.487218142758194E-12 -6.760809729447738E-12 7.457400736629824E-12 1.585482332688934E-11

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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 07:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin